Obesity prevalence in Japan increased substantially between 1976 and 2014, with men experiencing a seven-fold increase and women's obesity approximately doubling.

“1976 men obesity 0.7 women one and a half percent okay it's by 2014 and this is by the way this is obesity 30 bmi 30 or higher they changed that more recently because of the fact that asians should or they're normally so much leaner than us so they've changed obesity now uh which they sometimes called pre-obesity to bmi of 25 and above but nevertheless for this study men for example went from obesity 0.7 percent to 4.3 so this is like a seven-fold increase by uh 2013 and women wasn't nearly as much they their obesity approximately doubled”