Well off. Well off mate.
Its only 6%, that's 1 in 17 American women. And it doesn't mean she's automatically hot remember (what about her facial attractiveness, character, personality, habits, IQ, loyalty, shared interests etc). And most of them (or a huge chunk of them) are already taken.
Sorry, but 40% of women being lean is a pipedream.
The body fat distribution calculator shows percentile rank & average for US men and women. Choose which estimate type to use and see a graph and tables.
dqydj.com
Median 50% / 50th percentile is 39% bodyfat for women, 28% for men. These are from data from 2015-2016 as well.