Tonga holds the distinction of being the most obese country, with an estimated 70.54% of its adult population classified as obese. This data is based on 2022 figures which define obesity as having a Body Mass Index (BMI) of 30 or greater.
Many of the countries with the highest obesity rates are small island nations in the Pacific, where dietary changes and increased consumption of imported processed foods have significantly impacted public health.
Top Countries by Adult Obesity Rate
The following table highlights the countries with the highest percentages of obese adults, according to recent data:
| Rank | Country | Percentage of Adults with Obesity (BMI≥30) |
|---|---|---|
| 1 | Tonga | 70.54% |
| 2 | Nauru | 70.18% |
| 3 | Tuvalu | 63.93% |
| 4 | Samoa | 61.24% |
These figures underscore a significant public health challenge for these nations, where addressing obesity often involves a complex interplay of cultural, economic, and environmental factors.
