β Myth: Obesity is only a problem in rich countries.
β Fact: In 2024, 16.7% of adults in upper-middle-income countries and 12.0% in lower-middle-income countries lived with obesity, compared with 24.7% in high-income countries (WHO).
β Myth: Obesity only affects adults.
β Fact: Among 5β19-year-olds worldwide it went from 1.1% in 1980 to 8.2% in 2024 (WHO).
β Myth: A country has either hunger or obesity β not both.
β Fact: Undernutrition and obesity often exist side by side β in the same country, the same community and even the same household. (WHO)
β Myth: It has always been this common.
β Fact: When the US first measured adults in 1959β1962, 13.4% of 20β74-year-olds had obesity. In Aug 2021βAug 2023 it was 40.8% (CDC surveys, our calculation).
β Myth: BMI tells you exactly how much body fat you have.
β Fact: BMI cannot tell fat from muscle and bone, and it doesnβt show what type of fat someone has or where it sits in the body. (CDC)
β Myth: What people report about their weight is as accurate as measuring it.
β Fact: In the US, self-reported surveys give lower obesity figures than measured ones β see how data is collected.
Last updated
Written by the ObesitySurvey team. Not medical advice.