Incidence of obesity among US adults without obesity, 2001 to 2017

28.1/1000 PYs

new cases per 10,000 person-years, US

“Among 13,888 adults followed for 115,797 PYs, the incidence of obesity in 2001-2017 was 28.1/1000 PYs (95% CI: 26.7, 29.7).”

Nielsen et al., Incidence of obesity across adulthood in the United States, 2001-2017: a national prospective analysis (Am J Clin Nutr 2023), abstract, 2023-01

Kind of source

Peer-reviewed study

Read on

2026-11-06

Daily check

Quote found at the source on 2026-11-06

What to know

Rate among adults who did not have obesity (BMI under 30) at first observation, in the nationally representative Panel Study of Income Dynamics. No worldwide obesity incidence is published.

Arithmetic

28.1 per 1,000 person-years is 281 per 10,000 person-years (times 10).

About

Obesity