[theold]

As of 2020, a full 95.3% of Japanese married couples were using their husband’s surname. The effect of requiring married couples to choose one surname is to pass down the name of the male line, thus preserving a patriarchal mindset. The same-surname provision curtails our citizens’ freedom to marry and undermines the principle of equal rights in marriage.

https://www.nippon.com/en/in-depth/d0085...orgot.html