According to this (https://www.otsuka.co.jp/en/nutraceutical/about/soylution/encyclopedia/consumption.html https://www.otsuka.co.jp/en/nutraceutical/about/soylu

According to this (https://www.otsuka.co.jp/en/nutraceutical/about/soylution/encyclopedia/consumption.html https://www.otsuka.co.jp/en/nutraceutical/about/soylution/en...) Japan consumes 8.19 kg/year/person of soy, while the US consumes 0.04 kg/year/person. That's 200x difference. Japanese life expectancy is half a decade longer than the US, not to mention 1/10 the obesity.