In the U.S., obesity among adults is about 40% according to the CDC’s latest reported estimate, with some sources citing 42.4% based on earlier national data.

Quick Scoop

  • Adult obesity in America: about 4 in 10 adults.
  • Severe obesity: about 9% to 10% of adults.
  • A CDC-linked source also reports 42.4% for a later national estimate and notes obesity varies by age and race/ethnicity.

If you want, I can also give you the obesity rate for kids , by state , or the latest year available.