• Overview
  • Obesity prevalence
  • Trends over time
  • Contextual factors
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Obesity prevalence

Adults, 2015-2017

Survey type:Measured
Age:20+
Sample size:72824
Area covered:National
References:Li, Y., Teng, D., Shi, X., Teng, X., Teng, W., Shan, Z., Lai, Y. and China National Diabetes and Metabolic Disorders Study Group, 2021. Changes in the prevalence of obesity and hypertension and demographic risk factor profiles in China over 10 years: two national cross-sectional surveys. The Lancet Regional Health-Western Pacific, 15, p.100227.
Definitions:According to the Asian-specific cut-off points, overweight was defined as a BMI from 23 kg/m2 to less than 25 kg/m2, and general obesity was defined as a BMI of 25 kg/m2 or greater for both men and women. Data by age and by region using Asian-specific cut-off points are also available in the paper.
Cutoffs:WHO Asia
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2015

Survey type:Measured
Age:18-59
Sample size:6602
Area covered:National
References:Huang, Q., Wang, L., Jiang, H., Wang, H., Zhang, B., Zhang, J., Jia, X. and Wang, Z., 2020. Intra-Individual Double Burden of Malnutrition among Adults in China: Evidence from the China Health and Nutrition Survey 2015. Nutrients, 12(9), p.2811.
Notes:3699 men and 2903 women
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2009

Survey type:Measured
Age:18+
Sample size:8315
Area covered:National
References:Yan, S., Li, J., Li, S., Zhang, B., Du, S., Gordon-Larsen, P., Adair, L. and Popkin, B. (2012), The expanding burden of cardiometabolic risk in China: the China Health and Nutrition Survey. Obesity Reviews. doi: 10.1111/j.1467-789X.2012.01016.x
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2009

Survey type:Measured
Age:18+
References:Xi, B., Liang, Y., He, T., Reilly, K. H., Hu, Y., Wang, Q., Yan, Y. and Mi, J. (2012), Secular trends in the prevalence of general and abdominal obesity among Chinese adults, 1993–2009. Obesity Reviews, 13: 287–296. doi: 10.1111/j.1467-789X.2011.00944.x
Definitions:Obesity classified as BMI ≥ 30 Kg/m²
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2007-2008

Survey type:Measured
Age:20+
Sample size:45956
Area covered:National
References:Li, Y., Teng, D., Shi, X., Teng, X., Teng, W., Shan, Z., Lai, Y. and China National Diabetes and Metabolic Disorders Study Group, 2021. Changes in the prevalence of obesity and hypertension and demographic risk factor profiles in China over 10 years: two national cross-sectional surveys. The Lancet Regional Health-Western Pacific, 15, p.100227.
Definitions:According to the Asian-specific cut-off points, overweight was defined as a BMI from 23 kg/m2 to less than 25 kg/m2, and general obesity was defined as a BMI of 25 kg/m2 or greater for both men and women. Data by age and by region using Asian-specific cut-off points are also available in the paper.
Cutoffs:WHO Asia
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2006

Survey type:Measured
Age:18+
References:Xi, B., Liang, Y., He, T., Reilly, K. H., Hu, Y., Wang, Q., Yan, Y. and Mi, J. (2012), Secular trends in the prevalence of general and abdominal obesity among Chinese adults, 1993–2009. Obesity Reviews, 13: 287–296. doi: 10.1111/j.1467-789X.2011.00944.x
Definitions:Obesity classified as BMI ≥ 30 Kg/m²
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2004

Survey type:Measured
Age:18+
References:Xi, B., Liang, Y., He, T., Reilly, K. H., Hu, Y., Wang, Q., Yan, Y. and Mi, J. (2012), Secular trends in the prevalence of general and abdominal obesity among Chinese adults, 1993–2009. Obesity Reviews, 13: 287–296. doi: 10.1111/j.1467-789X.2011.00944.x
Definitions:Obesity classified as BMI ≥ 30 Kg/m²
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2002

Survey type:Measured
Age:18+
Sample size:221044
Area covered:National
References:Report of the 2002 China National Nutrition and Health Survey. 2004. (In Chinese). Chinese Ministry of Public Health (CMPH).
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 2000

Survey type:Measured
Age:18+
References:Xi, B., Liang, Y., He, T., Reilly, K. H., Hu, Y., Wang, Q., Yan, Y. and Mi, J. (2012), Secular trends in the prevalence of general and abdominal obesity among Chinese adults, 1993–2009. Obesity Reviews, 13: 287–296. doi: 10.1111/j.1467-789X.2011.00944.x
Definitions:Obesity classified as BMI ≥ 30 Kg/m²
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 1997

Survey type:Measured
Age:18+
References:Xi, B., Liang, Y., He, T., Reilly, K. H., Hu, Y., Wang, Q., Yan, Y. and Mi, J. (2012), Secular trends in the prevalence of general and abdominal obesity among Chinese adults, 1993–2009. Obesity Reviews, 13: 287–296. doi: 10.1111/j.1467-789X.2011.00944.x
Definitions:Obesity classified as BMI ≥ 30 Kg/m²
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 1993

Survey type:Measured
Age:18+
References:Xi, B., Liang, Y., He, T., Reilly, K. H., Hu, Y., Wang, Q., Yan, Y. and Mi, J. (2012), Secular trends in the prevalence of general and abdominal obesity among Chinese adults, 1993–2009. Obesity Reviews, 13: 287–296. doi: 10.1111/j.1467-789X.2011.00944.x
Definitions:Obesity classified as BMI ≥ 30 Kg/m²
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 1991-1995

Survey type:Measured
Age:35-59
Sample size:9213
References:Zhou BF, Wu Yangfeng, Yang Jun, Li Ying, Zhang H, Zhao L. Overweight is an independent risk factor for cardiovascular disease in Chinese populations. Obesity Reviews 2002;3:147-156
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Adults, 1989

Survey type:Measured
Age:20-45
Sample size:2487
References:Bell AC, Ge K, Popkin BM. Weight gain and its predictors in Chinese adults. International Journal of Obesity 2;25:1079-1086001
Unless otherwise noted, overweight refers to a BMI between 25kg and 29.9kg/m², obesity refers to a BMI greater than 30kg/m².

Children, 2015

Survey type:Measured
Age:7-18
Sample size:1617
Area covered:National
References:Zhang J, Wang H, Wang Z, Du W, Su C, Zhang J, Jiang H, Jia X, Huang F, Ouyang Y, Wang Y, Zhang B.Prevalence and stabilizing trends in overweight and obesity among children and adolescents in China, 2011-2015. BMC Public Health. 2018 May 2;18(1):571. doi: 10.1186/s12889-018-5483-9.
Definitions:IOTF International Cut off. WHO & WGOC also available in paper.
Cutoffs:IOTF

Children, 2014

Survey type:Measured
Sample size:29418
Area covered:National
References:Yunping Zhou, Qian Zhang, Tao Wang, Yanqing Zhang & Bo Xu. Prevalence of overweight and obesity in Chinese children and adolescents from 2015. Annals of Human Biology 2017;44:642-643 https://www.tandfonline.com/doi/full/10.1080/03014460.2017.1371224
Definitions:85th/95th Centiles Based on Chinese Reference Data see original article for details
Cutoffs:Other

Children, 2014-2017

Survey type:Measured
Age:7-14
Sample size:325,083
Area covered:Regional
References:Zhang et al. 2018. Prevalence of overweight and obesity among primary school-aged children in Jiangsu Province, China, 2014-2017.PLoS One. 2018; 13(8): e0202681.
Notes:Subnational (Jiangsu Province)
Definitions:Working Group on Obesity in China (WGOC) BMI definition used
Cutoffs:Other

Children, 2011

Survey type:Measured
Age:7-18
References:Zhang, J., Wang, H., Wang, Z. et al. Prevalence and stabilizing trends in overweight and obesity among children and adolescents in China, 2011-2015. BMC Public Health 18, 571 (2018). https://doi.org/10.1186/s12889-018-5483-9
Definitions:Overweight and obesity defined using WGOC Criteria
Cutoffs:Other

Children, 2010

Survey type:Measured
Age:7-9
Sample size:215,203
Area covered:National
References:Sun H, Ma Y, Han D, Pan C-W, Xu Y. Prevalence and Trends in Obesity among China’s Children and Adolescents, 1985–2010. Gonzalez-Bulnes A, ed. PLoS ONE. 2014;9(8):e105469. doi:10.1371/journal.pone.0105469.
Notes:Sample size for all children for all ages 7-18 A subject was considered to have obesity or overweight if weight-for-height exceeded the 20% or 10% of standard weight-for-height. The standard weight-for-height was the 80th percentile for sex- and age-specific growth charts.
Cutoffs:Other

Children, 2009

Survey type:Measured
Age:6-12
Sample size:1368
Area covered:National
References:Liang YJ, Xi B, Song AQ, Liu JX, Mi J. Trends in general and abdominal obesity. Pediatric Obesity 2012 Vol 7 (5):355-64
Cutoffs:IOTF

Children, 2002

Survey type:Measured
Age:7-17
Sample size:44880
Area covered:National
References:Yanping L, Evert GS, Xiaoqi H, Zhaohui C, Dechun L and Guansheng M. 2008. Obesity prevalence and time trend among youngsters in china, 1982 - 2002. Asia Pac Journal of Clinical Nutrition, 17(1):131 - 137.
Notes:IOTF Cut off. Reference: Cole TJ, Bellizzi MC, Flegal KM, Dietz WH. Establishing a standard definition for child overweight and obesity worldwide: International survey. BMJ. 2000 May 6;320(7244):1240-3.
Cutoffs:IOTF

Children, 1999-2000

Survey type:Measured
Age:11
Area covered:National
References:Bellizzi MC, Horgan GW, Guillaume M, Dietz WH. Prevalence of childhood and adolescent overweight and obesity in Asian and European countries. In: Obesity in Childhood and Adolescence. Editors: Chunming Chen, William H. Dietz. Nestle Nutrition Workshop Series Pediatric Program. Philadelphia: Lippincott Williams and Wilkins, 2002
Notes:IOTF Cut off. Reference: Cole TJ, Bellizzi MC, Flegal KM, Dietz WH. Establishing a standard definition for child overweight and obesity worldwide: International survey. BMJ. 2000 May 6;320(7244):1240-3.
Cutoffs:IOTF

Children, 1992

Survey type:Measured
Age:7-17
Sample size:15501
References:Li Y,, Schouten EG, Hu X et al. Obesity prevalence and time trend among youngsters in China, 1982-2002. Published in Asia Pacific Journal of Clinical Nutrition. Our version from Book - Li Y. Childhood Obesity in China: prevalence, determinants and health. Chapter 2
Notes:IOTF Cut off. Reference: Cole TJ, Bellizzi MC, Flegal KM, Dietz WH. Establishing a standard definition for child overweight and obesity worldwide: International survey. BMJ. 2000 May 6;320(7244):1240-3.
Cutoffs:IOTF

Children, 1982

Survey type:Measured
Age:7-17
Sample size:10127
Area covered:National
References:Li Y,, Schouten EG, Hu X et al. Obesity prevalence and time trend among youngsters in China, 1982-2002. Published in Asia Pacific Journal of Clinical Nutrition. Our version from Book - Li Y. Childhood Obesity in China: prevalence, determinants and health.
Notes:IOTF Cut off. Reference: Cole TJ, Bellizzi MC, Flegal KM, Dietz WH. Establishing a standard definition for child overweight and obesity worldwide: International survey. BMJ. 2000 May 6;320(7244):1240-3.
Cutoffs:IOTF

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