* Population aged between 5 - 19 years. For children and adolescents, overweight and obesity are defined using the WHO classification of +1SD and +2SD above the growth median.
** Population over 20 years old. Obesity is considered a problem starting at BMI ≥30kg/m².
*** Data calculated by ÌÇÐÄÆÆ½â°æ based on information provided by the source.
Global levels of obesity (BMI ≥30kg/m²) already constitute a serious social problem, which will continue to increase over the next decade, according to a study conducted by the World Obesity Federation. In this way, nearly 2 billion people over the age of five could suffer from this health problem by 2035, representing an increase of more than 93 percent compared to 2020. Childhood obesity is especially concerning, where increases close to 100 percent could be experienced.
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World Obesity Federation. (March 1, 2023). Percentage increase in obesity worldwide between 2020 and 2035 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 20, 2026, from /statistics/1636927/obesity-growth-at-a-global-level/
World Obesity Federation. "Percentage increase in obesity worldwide between 2020 and 2035." Chart. March 1, 2023. ÌÇÐÄÆÆ½â°æ. Accessed July 20, 2026. /statistics/1636927/obesity-growth-at-a-global-level/
World Obesity Federation. (2023). Percentage increase in obesity worldwide between 2020 and 2035. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 20, 2026. /statistics/1636927/obesity-growth-at-a-global-level/
World Obesity Federation. "Percentage Increase in Obesity Worldwide between 2020 and 2035." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 1 Mar 2023, /statistics/1636927/obesity-growth-at-a-global-level/
World Obesity Federation, Percentage increase in obesity worldwide between 2020 and 2035 ÌÇÐÄÆÆ½â°æ, /statistics/1636927/obesity-growth-at-a-global-level/ (last visited July 20, 2026)
Percentage increase in obesity worldwide between 2020 and 2035 [Graph], World Obesity Federation, March 1, 2023. [Online]. Available: /statistics/1636927/obesity-growth-at-a-global-level/