2020: A full 95.3% of Japanese married couples were using their husband’s surname -
theold - 03-01-2023
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/d00855/in-family-law-japan-becoming-the-land-time-forgot.html