Obesity rise plateaus in developed nations and accelerates in developing nations

Nature, Published online: 13 May 2026; doi:10.1038/s41586-026-10383-0 Global analysis of obesity trends from 1980 to 2024 in 200 countries and territories using data from 4,050 population-based studies reveals that framing obesity as a single global epidemic masks the highly varied dynamics across countries and age groups.