Australia - Austria - Austria, Germany - Bahrain - Bangladesh - Brazil - Cameroon - Canada - Caribbean - China - Costa Rica - Croatia - Cyprus - Czech Republic - Denmark - East Asia - Ecuador - Egypt - Ethiopia - Europe - Finland - France - Germany - Ghana - Greece - High-income countries - India - Indonesia - International - Iran - Ireland - Israel - Italy - Jordan - Kuwait - Macedonia - Malaysia - Mauritius - Mexico - Middle-income countries - Montenegro - Namibia - New Zealand - Palestine - Peru - Poland - Portugal - Puerto Rico - Qatar - Republic of Korea - Romania - Saudi Arabia - Seychelles - Slovakia - Slovenia - South Africa - South Asia - South-Eastern Europe - Spain - Sub-Saharan Africa - Sweden - Switzerland - Thailand - Turkmenistan - Uganda - Ukraine - United Arab Emirates - United Kingdom - United States - Vietnam - WHO - WHO Western Pacific Region - {Related topics}

Australia

• Australian Institute of Health and Welfare
  • Overweight and obesity among Australian children and adolescents [2020]

• BMJ Open
  • Body composition: population epidemiology and concordance in Australian children aged 11–12 years and their parents [2019]

• PLoS ONE
  • Trends in the Prevalence of Morbid and Severe Obesity in Australian Children Aged 7-15 Years, 1985-2012 [2016]

Austria

• Obesity Surgery
  • Trends of Overweight and Obesity in Male Adolescents: Prevalence, Socioeconomic Status, and Impact on Cardiovascular Risk in a Central European Country [2022]

Austria, Germany

• Journal of Diabetes Research
  • Overweight and Obesity Based on Four Reference Systems in 18,382 Paediatric Patients with Type 1 Diabetes from Germany and Austria [2015]

Bahrain

• Pakistan Journal of Medical Sciences
  • Overweight and Obesity among Children (10-13 years) in Bahrain:A comparison between Two International Standards [2014]

Bangladesh

• BMC Public Health
  • Obesity and overweight in Bangladeshi children and adolescents: a scoping review [2014]

• BMJ Open
  • Changing trends in nutritional status of adolescent females: a cross-sectional study from urban and rural Bangladesh [2021]

• International Health
  • Prevalence, inequality and associated factors of overweight/obesity among Bangladeshi adolescents aged 15-19 years [2024]

Brazil

• International Journal of Pediatrics
  • Prevalence of Overweight and Obesity in Children and Adolescents from the Age Range of 2 to 19 Years Old in Brazil [2014]

• Jornal de Pediatria
  • Prevalence of childhood obesity in Brazil: systematic review and meta-analysis [2021]

• PLoS ONE
  • Trends in the prevalence of obesity and estimation of the direct health costs attributable to child and adolescent obesity in Brazil from 2013 to 2022 [2025]

• Public Health Nutrition
  • Prevalence of overweight and obesity among Brazilian adolescents over time: a systematic review and meta-analysis [2021]

• Sao Paulo Medical Journal
  • Prevalence of stunting and overweight/obesity among Brazilian children according to different epidemiological scenarios: systematic review and meta-analysis [2016]

Cameroon

• Journal of Obesity
  • Prevalence of Overweight, Obesity, and Thinness in Cameroon Urban Children and Adolescents [2013]

• Pan African Medical Journal
  • Epidemiology of overweight and obesity in school children and adolescents in Cameroon: a comparative study in urban and semi-urban settings [2025]

• PLoS ONE
  • Prevalence and Risk Factors of Overweight and Obesity among Children Aged 6–59 Months in Cameroon: A Multistage, Stratified Cluster Sampling Nationwide Survey [2015]

Canada

• CMAJ
  • Recent trends in the prevalence of overweight and obesity among Canadian children [2016]

• Obesity
  • Body mass index trajectories from ages 1 to 20: Results from two nationally representative canadian longitudinal cohorts [2015]

• Public Health Agency of Canada
  • Childhood overweight and obesity trends in Canada [2016]

Caribbean

• Child and Adolescent Obesity
  • High prevalence of childhood overweight and obesity in ten Caribbean countries: 2018 cross-sectional data and a narrative review of trends in Trinidad and Tobago [2021]

China

• Biomedical and Environmental Sciences
  • Gender Differences in the Prevalence of Overweight and Obesity, Associated Behaviors, and Weight-related Perceptions in a National Survey of Primary School Children in China [2018]
  • A Scan of Obesogenic Environments and a Spatial Inference of Obesity Prevalence in Chinese Children and Adolescents: Based on the Chinese Health and Nutrition Survey 2011 Data [2018]

• BMC Pediatrics
  • Epidemiology of obesity and influential factors in China: a multicenter cross-sectional study of children and adolescents [2024]

• BMC Public Health
  • Trends in overweight and socioeconomic inequality among children and adolescents aged 7-18 years in China from 2010 to 2020 [2025]

• BMJ Open
  • 25-year trends in gender disparity for obesity and overweight by using WHO and IOTF definitions among Chinese school-aged children: a multiple cross-sectional study [2016]

• Chinese Medical Journal
  • Secular trend and projection of overweight and obesity among Chinese children and adolescents aged 7-18 years from 1985 to 2019: Rural areas are becoming the focus of investment [2025]
  • Epidemics of overweight and obesity among growing childhood in China between 1997 and 2009: Impact of Family Income, Dietary Intake, and Physical Activity Dynamics [2015]

• Food & Nutrition Research
  • Prevalence of obesity among students aged 6 to 12 in China: a meta-analysis [2015]

• Frontiers in Endocrinology
  • Nationwide Trends of Pediatric Obesity and BMI z-Score From 2017-2021 in China: Comparable Findings From Real-World Mobile- and Hospital-Based Data [2022]

• Frontiers in Public Health
  • Growth and development and trends in overweight and obesity among 7-12 years old Hmong children in China: an analysis of eight successive national surveys from 1985 to 2019 [2024]
  • Secular trends and sociodemographic determinants of thinness, overweight and obesity among Chinese children and adolescents aged 7-18 years from 2010 to 2018 [2023]

• International Journal of Obesity
  • Spatiotemporal Predictions of Obesity Prevalence in Chinese Children and Adolescents: Based on Analyses of Obesogenic Environmental Variability and Bayesian Model [2019]

• Journal of Epidemiology
  • Trends in Thinness, Overweight, and Obesity Among Chinese Children Aged 2-18 Years Before and During the COVID-19 Pandemic in 2010-2020 [2025]

• Lancet Child & Adolescent Health
  • Polynomial index of overweight and obesity (IPSO): a novel epidemiological approach to measure and compare body mss indez/age z-score among populations aged 5-11 [2025]

• Lancet Public Health
  • Trends and inequalities in thinness and obesity among Chinese children and adolescents: evidence from seven national school surveys between 1985 and 2019 [2024]

• Nutrients
  • Prevalence and Influencing Factors of Overweight and Obesity Among Left-Behind Children Under 6 Years Old in China: A Cross-Sectional Study [2025]

• Obesity
  • Risk factors for obesity and overweight in Chinese children: a nationwide survey [2022]
  • Secular trends of obesity prevalence in Chinese children from 1985 to 2010: Urban–rural disparity [2014]

• PLoS ONE
  • Secular Trends of Obesity Prevalence in Urban Chinese Children from 1985 to 2010: Gender Disparity [2013]

• Preventing Chronic Disease: Public Health Research, Practice and Policy
  • Spatial and Temporal Changes in Prevalence of Obesity Among Chinese Children and Adolescents, 1985–2005 [2019]

• Therapeutics and Clinical Risk Management
  • Obesity detection rate among primary school students in the People’s Republic of China: a meta-analysis [2013]

• World Journal of Pediatrics
  • Height and body mass index trajectories from 1975 to 2015 and prevalence of stunting, underweight and obesity in 2016 among children in Chinese cities: findings from five rounds of a national survey [2024]
  • Trends of obesity and overweight among children and adolescents in China [2023]

Costa Rica

• BMC Public Health
  • Bayesian spatial modeling of childhood overweight and obesity prevalence in Costa Rica [2023]

• Nutrición Hospitalaria
  • Percentiles of body mass index and waist circumference for Costa Rican children and adolescents [2022]

Croatia

• Acta Clinica Croatica
  • Regional and sociodemographic determinants of the prevalence of overweight and obesity in children aged 7-9 years in Croatia [2020]

• Children
  • Trends in the Prevalence of Overweight, Obesity and Severe Obesity in Primary School Children in Croatia from 2003 to 2022 [2025]

Cyprus

• BMC Pediatrics
  • Neck circumference cut-off points for detecting overweight and obesity among school children in Northern Cyprus [2022]

• Nutrients
  • Prevalence of Obesity Among Elementary School Children in Cyprus: The National COSI Program [2025]

Czech Republic

• BMC Public Health
  • Trends and correlates of overweight/obesity in Czech adolescents in relation to family socioeconomic status over a 12-year study period (2002–2014) [2018]

• Central European Journal of Public Health
  • Prevalence of overweight and obesity in 6-15-year-old boys and girls before the COVID-19 pandemic: results from anthropological research 2001-2019 in the Czech Republic [2024]
  • Trends in Overweight and Obesity in Czech Schoolchildren from 1998 to 2014 [2017]

• European Journal of Public Health
  • Trends of overweight and obesity, physical activity and sedentary behaviour in Czech schoolchildren: HBSC study [2014]

• International Journal of Environmental Research and Public Health
  • Influence of COVID-19-Related Restrictions on the Prevalence of Overweight and Obese Czech Children [2022]
  • Temporal Trends in Overweight and Obesity, Physical Activity and Screen Time among Czech Adolescents from 2002 to 2014: A National Health Behaviour in School-Aged Children Study [2015]

Denmark

• International Journal of Public Health
  • Trends in Social Inequality in Overweight and Obesity Among Danish Infants, 2002-2022 [2025]

• PLoS ONE
  • Trends in Prevalence of Overweight and Obesity in Danish Infants, Children and Adolescents – Are We Still on a Plateau? [2013]

East Asia

• PLoS ONE
  • Changes in weight distribution and trends in obesity among children and adolescents in East Asia: Insights from NCD-RisC data [2024]

Ecuador

• Pediatric Research
  • Prevalence of obesity and associated sociodemographic and lifestyle factors in Ecuadorian children and adolescents [2025]

• PLoS ONE
  • Determinants of overweight and obesity among children between 5 to 11 years in Ecuador: A secondary analysis from the National Health Survey 2018 [2024]

Egypt

• Frontiers in Public Health
  • Prevalence and correlates of overweight and obesity among under-five children in Egypt [2022]

Ethiopia

• BMC Pediatrics
  • The coexistence of stunting and overweight or obesity in Ethiopian children: prevalence, trends and associated factors [2023]

• Frontiers in Public Health
  • Prevalence of overweight/obesity and associated factors among under-five children in Ethiopia: A multilevel analysis of nationally representative sample [2022]

• International Health
  • Burden of overweight and obesity among adolescents in Ethiopia: a systematic review and meta-analysis [2025]

• PLoS ONE
  • Spatial variations and predictors of overweight/obesity among under-five children in Ethiopia: A geographically weighted regression analysis of the 2019 Ethiopian Mini Demographic and Health Survey [2024]

• Scientific Reports
  • Overweight and obesity trends and association with household wealth index among children aged 5 to 19 years in Ethiopia a multilevel analysis of 2016 EDHS data [2025]

Europe

• Frontiers in Public Health
  • Gender differences and climate zones in overweight and obesity prevalence in European elementary school children from 2000 to 2020: a systematic review and meta-analysis [2023]

• Nutrients
  • Prevalence of Childhood Obesity by Country, Family Socio-Demographics, and Parental Obesity in Europe: The Feel4Diabetes Study [2022]
  • Prevalence of Overweight and Obesity among European Preschool Children: A Systematic Review and Meta-Regression by Food Group Consumption [2019]

• Obesity Facts
  • Prevalence of Severe Obesity among Primary School Children in 21 European Countries [2019]

• WHO European Region
  • WHO European Childhood Obesity Surveillance Initiative (COSI): report on the sixth round of data collection, 2022– 2024 [2025]
  • Report on the fifth round of data collection, 2018-2020: WHO European Childhood Obesity Surveillance Initiative (COSI) [2022]
  • Childhood Obesity Surveillance Initiative COSI - Fact sheet highlights 2018-2020 [2022]
  • WHO European Childhood Obesity Surveillance Initiative (COSI) Report on the fourth round of data collection, 2015-2017 [2021]
  • Adolescent obesity and related behaviours: trends and inequalities in the WHO European Region, 2002-2014: observations from the Health Behaviour in School-aged Children (HBSC) WHO collaborative cross-national study [2017]

Finland

• Obesity Facts
  • Prevalence of Thinness, Overweight, Obesity, and Central Obesity in Finnish School-Aged Children: A Comparison of National and International Reference Values [2022]

France

• BMC Research Notes
  • French youth trends in prevalence of overweight, obesity and underweight from 2008 to 2018 [2022]

• Public Health Nutrition
  • Trends in the prevalence of overweight, obesity and underweight in French children, aged 4–12 years, from 2013 to 2017 [2020]

Germany

• BMC Public Health
  • Updated prevalence rates of overweight and obesity in 11- to 17-year-old adolescents in Germany. Results from the telephone-based KiGGS Wave 1 after correction for bias in self-reports [2015]

• Obesity Facts
  • From Childhood to Adolescence: Long-Term Trends in Severe Obesity in German Youth (2002-2023) [2025]
  • Changing Characteristics of Obese Children and Adolescents Entering Pediatric Lifestyle Intervention Programs in Germany over the Last 11 Years: An Adiposity Patients Registry Multicenter Analysis of 65,453 Children and Adolescents [2017]

Ghana

• BMJ Open
  • Prevalence and determinants of underweight and overweight/obesity among Ghanaian children: a cross-sectional study using DHS data in Ghana [2025]

• Journal of Nutrition and Metabolism
  • Childhood Obesity and Overweight in Ghana: A Systematic Review and Meta-Analysis [2020]

• Journal of Obesity
  • Overweight and Obesity Among In-School Children and Adolescents (5-19 Years) in Ghana: A Scoping Review of Prevalence and Risk Factors [2024]

• Nutrients
  • Sex and Age Disparities in the Prevalence of Obesity Among Children and Adolescents in Ghana, 1990-2022: A Cross-Sectional Study [2026]

Greece

• Children
  • Prevalence of Overweight and Obesity and Associated Diet-Related Behaviours and Habits in a Representative Sample of Adolescents in Greece [2022]

• Nutrients
  • Mapping the Published Evidence on Childhood Obesity Prevalence and Related Policies in Greece: A Scoping Review [2025]
  • Associations Between Energy Balance-Related Behaviours and Childhood Obesity Among Vulnerable Populations in Greece: Implications for Public Health Policy and Intervention Development [2025]

High-income countries

• BMC Medicine
  • Unexpected plateauing of childhood obesity rates in developed countries [2014]

• European Journal of Public Health
  • Trends in overweight prevalence among 11-, 13- and 15-year-olds in 25 countries in Europe, Canada and USA from 2002 to 2010 [2015]

India

• British Journal of Nutrition
  • Epidemiology of overweight in under-five children in India: insights from National Family Health Survey [2024]

• Indian Journal of Community Medicine
  • Prevalence of Obesity among School-going Children in India: A Comprehensive Systematic Review, Meta-analysis, and Spatial Analysis [2025]

• Indian Journal of Medical Research
  • Epidemiology of childhood overweight & obesity in India: A systematic review [2016]

• Nutrients
  • Overweight/Obesity Prevalence among Under-Five Children and Risk Factors in India: A Cross-Sectional Study Using the National Family Health Survey (2015-2016) [2022]

Indonesia

• BMC Pediatrics
  • Factors associated with overweight/obesity of children aged 6-12 years in Indonesia [2023]

International

• BMC Medicine
  • The epidemiological burden of obesity in childhood: a worldwide epidemic requiring urgent action [2019]

• BMJ Paediatrics Open
  • Metabolically obese normal weight phenotype in children and adolescents aged 3 to 18 years: a systematic review [2026]

• Clinical Epidemiology
  • Differences in Classification Standards For the Prevalence of Overweight and Obesity in Children. A Systematic Review and Meta-Analysis [2022]

• Frontiers in Endocrinology
  • The global death and disability burden associated with a high BMI in children and adolescents, 1990-2019 [2024]

• Globalization and Health
  • Spatial-temporal trends in global childhood overweight and obesity from 1975 to 2030: a weight mean center and projection analysis of 191 countries [2023]

• International Journal of Environmental Research and Public Health
  • Global Trends in Child Obesity: Are Figures Converging? [2020]

• JAMA Pediatrics
  • Global Prevalence of Overweight and Obesity in Children and Adolescents: A Systematic Review and Meta-Analysis [2024]

• Lancet
  • Global, regional, and national prevalence of child and adolescent overweight and obesity, 1990-2021, with forecasts to 2050: a forecasting study for the Global Burden of Disease Study 2021 [2025]

• Obesity Facts
  • The Global Spread of Severe Obesity in Toddlers, Children and Adolescents – a Systematic Review & Meta Analysis [2022]
  • Epidemiological Influences and Requirements of Global Childhood Obesity Research [2021]

• Pediatric Obesity
  • Exploring an algorithm to harmonize International Obesity Task Force and World Health Organization child overweight and obesity prevalence rates [2022]
  • An improved algorithm to harmonize child overweight and obesity prevalence rates [2022]

• Saudi Medical Journal
  • Childhood Obesity: Global Burden, Multifactorial Etiologies, Biological Mechanisms, and Emerging Interventions for Prevention and Management [2026]

Iran

• Annals of Pediatric Endocrinology & Metabolism
  • Trend in the prevalence of metabolic phenotypes of obesity in Iranian children and adolescents: the CASPIAN (Childhood and Adolescence Surveillance and Prevention of Adult Non-communicable Disease) studies [2025]

• Iranian Journal of Pediatrics
  • A Systematic Review on the Prevalence of Overweight and Obesity, in Iranian Children and Adolescents [2016]

• Journal of Tehran University Heart Center
  • Trends in Obesity among Iranian Children and Adolescents: 2000–2016 [2020]

Ireland

• BMC Public Health
  • School sociodemographic characteristics and obesity in schoolchildren: does the obesity definition matter? [2018]
  • Trends and prevalence of overweight and obesity in primary school aged children in the Republic of Ireland from 2002-2012: a systematic review [2014]

• Pediatric Obesity
  • Adolescent overweight and obesity in Ireland-Trends and sociodemographic associations between 1990 and 2020 [2023]
  • Prevalence of early childhood obesity in Ireland: Differences over time, between sexes and across child growth criteria [2022]

Israel

• Cardiovascular Diabetology
  • The opposing trends of body mass index and blood pressure during 1977–2020; nationwide registry of 2.8 million male and female adolescents [2021]

• International Journal of Obesity
  • Changes in body mass index in children and adolescents in Israel during the COVID-19 pandemic [2022]

• PLoS ONE
  • Pediatric overweight and obesity increased in Israel during the COVID-19 period [2023]

Italy

• Journal of Obesity
  • Prevalence of Overweight in Children Starts Early in Life: Findings From the Italian NASCITA Birth Cohort Study [2026]

• Public Health Nutrition
  • Trends in overweight and obesity prevalence in Tuscan schoolchildren (2002–2012) [2015]

Jordan

• BMC Public Health
  • Prevalence of short stature, underweight, overweight, and obesity among school children in Jordan [2016]

• Healthcare
  • Prevalence of Being Obese, Overweight, and Underweight Among Jordanian Children and Adolescents Based on International Growth Standards [2025]

Kuwait

• Children
  • Trend and Causes of Overweight and Obesity among Pre-School Children in Kuwait [2021]

• PLoS ONE
  • Prevalence of overweight and obesity among Kuwaiti adolescents and the perception of body weight by parents or friends [2022]

Macedonia

• Prilozi
  • Prevalence of Overweight and Obesity in Children: Variation in Different Ethnicities, Age, and Sex in North Macedonia [2022]

Malaysia

• Clinical and Experimental Pediatrics
  • Prevalence of childhood overweight and obesity in Malaysia: a systematic review and meta-analysis [2025]

• Frontiers in Pediatrics
  • Lifestyle indices of body composition and obesity risk and prevalence among multi-ethnic adolescents in Malaysia [2022]

Mauritius

• Globalization and Health
  • Prevalence of overweight, obesity and thinness in 9-10 year old children in Mauritius [2012]

Mexico

• Cadernos de Saúde Pública
  • Trends in overweight and obesity in children under 24 months of age in Mexico (2012-2020): analysis of four national health surveys [2023]

• Frontiers in Public Health
  • Growth in height and its association with overweight and obesity in Mexican children: an evaluation based on a nationally representative sample (ENSANUT 2018) [2024]

• Nutrición Hospitalaria
  • Polynomial index of overweight and obesity (IPSO): a novel epidemiological approach to measure and compare body mss indez/age z-score among populations aged 5-11 [2025]

• Nutrients
  • Agreement on the Prevalence of Body Mass Index (BMI) in Mexican Children and Adolescents Using Different International References [2025]

• Obesity Reviews
  • Socioeconomic determinants of overweight and obesity among Mexican children and adolescents: Systematic review and meta-analysis [2025]

Middle-income countries

• International Journal of Epidemiology
  • Longitudinal transitions of the double burden of overweight and stunting from childhood to early adulthood in India, Peru, and Vietnam [2024]

Montenegro

• Frontiers in Public Health
  • The prevalence of overweight and obesity: a measurement-based analysis of 6-9-year-old school children from Montenegro [2023]

• Nutrición Hospitalaria
  • Age and gender differences in overweight and obesity among Montenegrin school children - A national study [2026]

Namibia

• Journal of Health, Population and Nutrition
  • Analysis of childhood overweight and obesity in Namibia using spatio-temporal quantile interval models [2021]

New Zealand

• International Journal of Obesity
  • Further reductions in the prevalence of obesity in 4-year-old New Zealand children from 2017 to 2019 [2022]

Palestine

• BMC Pediatrics
  • Prevalence of underweight, overweight and obesity among Palestinian school-age children and the associated risk factors: a cross sectional study [2019]

Peru

• BMC Public Health
  • Geographic differences in overweight and obesity prevalence in Peruvian children, 2010–2015 [2018]

• International Journal of Environmental Research and Public Health
  • Changes in the Prevalence of Overweight and Obesity among Peruvian Children under Five Years before and during the COVID-19 Pandemic: Findings from a Nationwide Population-Based Study [2022]

Poland

• Journal of Clinical Medicine
  • Prevalence of Overweight, Obesity, Abdominal Obesity, and Obesity-Related Risk Factors in Polish Preschool Children: A Cross-Sectional Study [2021]

Portugal

• Anais da Academia Brasileira de Ciências
  • Prevalence of overweight and obesity in 3-to-10-year-old children: assessment of different cut-off criteria WHO-IOTF [2020]

Puerto Rico

• BMC Public Health
  • High prevalence of overweight and obesity among a representative sample of Puerto Rican children [2015]

Qatar

• International Journal of Environmental Research and Public Health
  • Assessment of Overweight, Obesity, Central Obesity, and Type 2 Diabetes among Adolescents in Qatar: A Cross-Sectional Study [2022]

Republic of Korea

• Annals of Pediatric Endocrinology & Metabolism
  • Temporal trends in the prevalence of metabolically healthy overweight and obesity in Korean youth: data from the Korea National Health and Nutrition Examination Survey 2011-2019 [2022]
  • Change of obesity prevalence and lifestyle patterns before and during COVID-19 among Korean adolescents [2022]

• BMC Public Health
  • Screen time and obesity prevalence in adolescents: an isotemporal substitution analysis [2024]
  • Trends in childhood obesity and central adiposity between 1998-2001 and 2010-2012 according to household income and urbanity in Korea [2016]

• Children
  • Increase of Prevalence of Obesity and Metabolic Syndrome in Children and Adolescents in Korea during the COVID-19 Pandemic: A Cross-Sectional Study Using the KNHANES [2023]

• Endocrinology and Metabolism
  • Epidemiology of Childhood Obesity in Korea [2016]

• Epidemiology and Health
  • Trends in socioeconomic inequalities in obesity among Korean adolescents: the Korea Youth Risk Behavior Web-based Survey (KYRBS) 2006 to 2020 [2023]

• European Review for Medical and Pharmacological Sciences
  • Trends in body mass index changes among Korean adolescents between 2005-2020, including the COVID-19 pandemic period: a national representative survey of one million adolescents [2022]

• International Journal of Environmental Research and Public Health
  • Changes in Body Mass Index Among Korean Adolescents Before and After COVID-19: A Comparative Study of Annual and Regional Trends [2025]
  • Trends in Obesity and Obesity-Related Risk Factors among Adolescents in Korea from 2009 to 2019 [2022]

• JMIR Public Health and Surveillance
  • National Trends in the Prevalence of Self-Perceived Overweight Among Adolescents Between 2005 and 2022: Nationwide Representative Study [2024]

• Journal of Epidemiology
  • Trends in Measures of Childhood Obesity in Korea From 1998 to 2012 [2016]

• Journal of Infection and Public Health
  • The impact of the COVID-19 pandemic on infant obesity: A nationwide retrospective cohort study [2024]

• Journal of Korean Medical Science
  • Outbreak of Severe Obesity and Metabolic Complications in Children and Adolescents Using the Korea National School Health Examination (KNSHE) From 2017 to 2021 [2025]

• Journal of Obesity & Metabolic Syndrome
  • Temporal Trends of the Prevalence of Abdominal Obesity and Metabolic Syndrome in Korean Children and Adolescents between 2007 and 2020 [2023]

Romania

• Acta Endocrinologica (Bucharest)
  • Development of synthetic growth charts for Romanian population [2016]

• Obesity Facts
  • Overweight and Underweight Prevalence Trends in Children from Romania - Pooled Analysis of Cross-Sectional Studies between 2006 and 2015 [2016]

Saudi Arabia

• Cureus
  • Prevalence of Childhood Obesity Among Children and Adolescents in Saudi Arabia: A Systematic Review [2024]

• Frontiers in Endocrinology
  • Prevalence of overweight and obesity among saudi children: A comparison of two widely used international standards and the national growth references [2022]

• Saudi Journal of Medicine & Medical Sciences
  • Prevalence of Obesity among Children and Adolescents in Saudi Arabia: A Multicenter Population-Based Study [2023]

Seychelles

• BMC Public Health
  • Secular trends in height and weight among children and adolescents of the Seychelles, 1956-2006 [2008]

Slovakia

• Croatian Medical Journal
  • Comparison of Slovak reference values for anthropometric parameters in children and adolescents with international growth standards: implications for the assessment of overweight and obesity [2018]

Slovenia

• BMC Public Health
  • Temporal trends in weight-based disparities in physical fitness of children: 30-years of continuous surveillance through Slovenian national system [2024]

South Africa

• BMC Public Health
  • Trends in prevalence of overweight and obesity among South African and European adolescents: a comparative outlook [2022]

• BMJ Open
  • Spatial-temporal trends and risk factors for undernutrition and obesity among children (<5 years) in South Africa, 2008-2017: findings from a nationally representative longitudinal panel survey [2020]

• Frontiers in Public Health
  • Determinants of central obesity in children and adolescents and associated complications in South Africa: a systematic review [2024]

• Pediatric Obesity
  • Sex differences in obesity incidence: 20-year prospective cohort in South Africa [2015]

South Asia

• Scientific Reports
  • Trends estimation of obesity prevalence among South Asian young population: a systematic review and meta-analysis [2024]

• United Nations Children's Fund - UNICEF
  • Overweight and Obesity among Children and Adolescents in Bhutan, India, Maldives, Nepal and Sri Lanka [2024]

South-Eastern Europe

• Children
  • Association Between Sub-National Regional Socioeconomic Status and Childhood Obesity in Five South-East European Countries: The WHO European Childhood Obesity Surveillance Initiative-COSI (2019) [2026]

Spain

• Anales de Pediatría (English Edition)
  • Differences in the temporal trends of childhood overweight and obesity in Spain in the 2011-2019 period by sex, age and socioeconomic level: results of the ALADINO study [2024]

• International Journal of Environmental Research and Public Health
  • Prevalence of Overweight and Obesity in Children of Immigrant Origin in Spain: A Cross-Sectional Study [2022]
  • Has the Prevalence of Childhood Obesity in Spain Plateaued? A Systematic Review and Meta-Analysis [2022]
  • Reversal of the Upward Trend of Obesity in Boys, but Not in Girls, in Spain [2021]

• Medicina Clínica
  • Prevalence of childhood obesity in Spain and its relation with socioeconomic status and health behaviors: Population-based cross-sectional study [2024]

• Obesity Facts
  • Pediatric Obesity in Spain: From 2000 to 2019 - Comparison of Two Nationwide Representative Studies [2026]

• Revista Española de Cardiología (English Edition)
  • The prevalence and incidence rate of overweight and obesity among 2.5 million children and adolescents in Spain [2022]

Sub-Saharan Africa

• Advances in Nutrition
  • Prevalence of Overweight and Obesity and Its Associated Factors among Preschool Children in Sub-Saharan Africa: a Systematic Review and Meta-analysis [2026]

• Archives of Public Health
  • Prevalence, incidence, and trends of childhood overweight/obesity in Sub-Saharan Africa: a systematic scoping review [2020]

• BMC Pediatrics
  • Prevalence and determinants of overweight/obesity among under-five children in sub-Saharan Africa: a multilevel analysis [2022]

• BMJ Open
  • Prevalence and differentials of overweight and obesity in preschool children in Sub-Saharan Africa [2015]

• Journal of the Egyptian Public Health Association
  • Socioeconomic inequalities in hidden hunger, undernutrition, and overweight among under-five children in 35 sub-Saharan Africa countries [2020]

Sweden

• Acta Paediatrica
  • The prevalence of overweight among 4-year-olds during and after the COVID-19 pandemic was associated with socioeconomic burden [2025]

• European Journal of Public Health
  • Increased incidence of overweight and obesity among preschool Swedish children during the COVID-19 pandemic [2023]

• International Journal of Obesity
  • A secular trend of increasing pubertal BMI change among Swedish adolescents [2022]

Switzerland

• Children
  • Risk Factors and 20-Year Time-Trend in Childhood Overweight and Obesity in Switzerland: A Repeated Cross-Sectional Study [2024]

Thailand

• BMC Public Health
  • Nationwide trends in pediatric obesity in Thailand, 2015-2023: prevalence, morbidity, mortality, and COVID-19-related disparities [2026]

• Diseases
  • The Economic and Clinical Burden of Pediatric Obesity Within a Universal Health Coverage System in Thailand: A 9-Year Nationwide Analysis of 14.5 Million Hospitalizations [2026]

Turkmenistan

• WHO European Region
  • WHO European Childhood Obesity Surveillance Initiative: COSI Turkmenistan 2016/2017 [2020]

Uganda

• BMC Public Health
  • Factors associated with childhood overweight and obesity in Uganda: a national survey [2021]

Ukraine

• BioMed Research International
  • First Ukrainian Growth References for Height, Weight, and Body Mass Index for Children and Adolescents Aged 7 to 18 Years [2018]

• International Journal of Environmental Research and Public Health
  • Secular Trends of Underweight, Overweight, and Obesity in Children and Adolescents from Ukraine [2021]

• WHO European Region
  • WHO European Childhood Obesity Surveillance Initiative (COSI) in Ukraine 2023–2024 [2025]

United Arab Emirates

• BMJ Open
  • Prevalence and determinants of overweight/obesity among school-aged adolescents in the United Arab Emirates: a cross-sectional study of private and public schools [2020]

United Kingdom

• Archives of Disease in Childhood
  • Trends in inequalities in childhood overweight and obesity prevalence: a repeat cross-sectional analysis of the Health Survey for England [2024]
  • Childhood obesity trends from primary care electronic health records in England between 1994 and 2013: population-based cohort study [2015]

• BMJ Open
  • Trends in socioeconomic inequalities in underweight and obesity in 5-year-old children, 2011–2018: a population-based, repeated cross-sectional study [2021]

• Department of Health and Social Care
  • Obesity Profile - Data

• European Journal of Public Health
  • Predicting childhood overweight and obesity at school entrance using healthcare, demographic, and socioeconomic data in Wales, UK [2026]
  • Mid-adolescent ethnic variations in overweight prevalence in the UK Millennium Cohort Study [2021]

• Journal of Public Health
  • Trends in childhood obesity for upper tier local authorities in England between 2007/08 and 2023/24: a latent trajectory analysis [2025]

• NHS Digital
  • Children's overweight and obesity

• PLoS ONE
  • Trends in Socioeconomic Inequalities in Body Mass Index, Underweight and Obesity among English Children, 2007–2008 to 2011–2012 [2016]

United States

• American Journal of Preventive Medicine
  • Obesity Incidence in U.S. Children and Young Adults: A Pooled Analysis [2022]

• American Journal of Public Health
  • Systematic Review of Prevalence of Young Child Overweight and Obesity in the United States—Affiliated Pacific Region Compared With the 48 Contiguous States: The Children's Healthy Living Program [2015]

• Annals of Family Medicine
  • Trends in Pediatric Obesity Prevalence Among Community Health Center Patients by Latino Ethnicity and Nativity, 2012-2020 [2025]

• Annals of Internal Medicine
  • Obesity Prevalence Among Children and Adolescents in the United States, 2011 to 2023 [2025]

• Centers for Disease Control and Prevention
  • Prevalence of Overweight, Obesity, and Severe Obesity Among Children and Adolescents Ages 2–19 Years: United States, 1963–1965 Through August 2021–August 2023 [2026]
  • Longitudinal Trends in Body Mass Index Before and During the COVID-19 Pandemic Among Persons Aged 2–19 Years — United States, 2018–2020 [2021]
  • State-Specific Prevalence of Obesity Among Children Aged 2–4 Years Enrolled in the Special Supplemental Nutrition Program for Women, Infants, and Children — United States, 2010–2016 [2019]
  • Prevalence of Obesity Among Youths by Household Income and Education Level of Head of Household — United States 2011–2014 [2018]
  • US States’ Childhood Obesity Surveillance Practices and Recommendations for Improving Them, 2014–2015 [2016]
  • Trends in Obesity Among Participants Aged 2–4 Years in the Special Supplemental Nutrition Program for Women, Infants, and Children — United States, 2000–2014 [2016]
  • Childhood Obesity Facts

• Cureus
  • Obesity in the Pediatric Population of the National (Nationwide) Inpatient Sample (NIS), USA [2022]

• International Journal of Maternal and Child Health and AIDS
  • Social Determinants of Overweight and Obesity Among Children in the United States [2020]

• JAMA
  • Trends in Obesity Prevalence Among Children and Adolescents in the United States, 1988-1994 Through 2013-2014 [2016]

• JAMA Network Open
  • Prevalence of Youth Overweight, Obesity, and Severe Obesity [2026]
  • Prevalence of Extremely Severe Obesity and Metabolic Dysfunction Among US Children and Adolescents [2025]

• JAMA Pediatrics
  • Prevalence of Obesity With Confirmed Excess Adiposity in US Children and Adolescents [2025]

• Journal of Clinical Hypertension
  • Prevalence and Incidence of Abdominal Obesity and Cardiometabolic Risk in Early Adolescence [2026]

• New England Journal of Medicine
  • Incidence of Childhood Obesity in the United States [2014]

• Obesity
  • Prevalence of Preclinical and Clinical Obesity Among US Children and Adolescents Aged 5 to 18 Years: NHANES 2017-2023 [2026]

• Ochsner Journal
  • Trends in Obesity, Overweight, and Attempted Weight Loss Among United States High School Students [2026]

• Pediatrics
  • Trends in Severe Obesity Among Children Aged 2 to 4 Years in WIC: 2010 to 2020 [2024]
  • Changes in the Incidence of Childhood Obesity [2022]

• PLoS ONE
  • Trends and key disparities of obesity among US adolescents: The NHANES from 2007 to 2020 [2024]

Vietnam

• PLoS ONE
  • Overweight and obesity among Vietnamese school-aged children: National prevalence estimates based on the World Health Organization and International Obesity Task Force definition [2020]

WHO

• World Health Organization
  • Prevalence of overweight among children and adolescents, BMI > +1 standard deviations above the median (crude estimate) (%)
  • Prevalence of obesity among children and adolescents, BMI > +2 standard deviations above the median (crude estimate) (%)
  • Overweight prevalence among children under 5 years of age (%) (% weight-for-height >+2 SD)  (survey-based estimates)
  • Overweight prevalence among children under 5 years of age (% weight-for-height >+2 SD)
  • Overweight among children under 5 years of age (number in millions) (model-based estimates)

WHO Western Pacific Region

• WHO Western Pacific Region
  • Informal Consultation on Childhood Obesity Surveillance in the Western Pacific Region, Tokyo, Japan, 21-22 March 2016 : meeting report [2016]

{Related topics}

• Topic
  • Obesity: epidemiology
  • Obesity in children and adolescents