I think they key question is "overweight" compared to what? Yes, far less than 98% of people are overweight compared to a baseline created by doctors that was e

I think they key question is "overweight" compared to what? Yes, far less than 98% of people are overweight compared to a baseline created by doctors that was essentially biased by the existing distribution of weights in western society. But 100% of Americans are overweight compared to how much they would weigh if the Earth's mass was reduced by 50%.