Global Disease Population Statistics · Metabolic & endocrine · 2026-10-18
Obesity
Click a country on the map or in the ranking to see its prevalence, estimated number of people, and how many know they have it, are treated and are controlled.
Global obesity population
all ages, BMI-based · 2024 · estimate
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- Adults with obesity (BMI ≥30)940 million (16%)
- Adults overweight (BMI ≥25)2.6 billion (45%)
- Ages 5–19 with obesity170 million
WHO (updated Oct 2026): in 2024, 1 in 7 people (1.1 billion) lived with obesity; adult obesity has more than doubled since 1990. Obesity is a shared upstream driver of type 2 diabetes, cardiovascular disease, fatty liver and CKD. Country figures (map) are WHO GHO 2024 crude prevalence of adult BMI ≥30; Taiwan and much of Asia define obesity at BMI ≥27, so definitions differ.
Sources: WHO Fact sheet: Obesity and overweight (2026-10-07) · NCD-RisC, Nature 2026
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Care gap
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WHO GHO does not publish diagnosis/treatment coverage for obesity.
Definition and age band
Adults 18+ with BMI ≥30 kg/m²; crude prevalence, 2024 estimates (NCD-RisC). Taiwan defines obesity at BMI ≥27, so not directly comparable.
Sources
Country figures come from the WHO Global Health Observatory (GHO) public API and are modelled estimates (NCD-RisC, WHO hepatitis programme) with differing years; Taiwan is outside the WHO system and is entered manually from HPA/CDC publications, flagged as such. GHO data fetched: 2026-10-18. WHO GHO · NCD_BMI_30C
This page summarises epidemiological statistics and is not individual medical advice; discuss your personal risk with your care team. The content of this article is personal reflection and experience sharing only, and is not medical advice. For any questions about your health, illness or physical care, please seek help through professional medical channels and consult your physician.
| Country/territory | Prevalence |
|---|---|
| Egypt | 42.8% |
| United States | 41.8% |
| Saudi Arabia | 39.2% |
| Mexico | 37.4% |
| Australia | 32.4% |
| South Africa | 31.3% |
| Brazil | 30.9% |
| Turkey | 30.5% |
| United Kingdom | 29.2% |
| Canada | 27.1% |
| Germany | 24.5% |
| Malaysia | 23.6% |
| Russia | 21.2% |
| Spain | 18.9% |
| Italy | 17.9% |
| Singapore | 16.8% |
| Thailand | 15.5% |
| France | 12.5% |
| Nigeria | 12.1% |
| Indonesia | 12% |
| Philippines | 9.7% |
| Mainland China | 9.1% |
| India | 8% |
| South Korea | 7.5% |
| Japan | 5.2% |
| Taiwan ※ | — |
※ Different definition/age band — not directly comparable with other countries on the map
