I would argue Japan and Korea at least maintain a degree of collectivism- in areas such as extended family living arrangements, support for local business and a

I would argue Japan and Korea at least maintain a degree of collectivism- in areas such as extended family living arrangements, support for local business and agriculture, and (ostensible) income and educational equality etc, but its actually all window dressing when your economy is thoroughly modernized on a western model. The economy is life and death- the thing that tells young people you have to move to Tokyo and join the rat race. Though in Japan at least I have seen encouraging trends of people opting out.