The study suggests that the situation would be different if the Japanese government yielded to increasing pressure to allow married couples to use separate surnames.
Everyone in Japan could have the surname “Sato” in about 500 years unless the law is changed that forces married couples to share a last name, a study has found.
Everyone in Japan will have same surname by 2531 unless law changes, study suggests iwradio.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from iwradio.co.uk Daily Mail and Mail on Sunday newspapers.
A new analysis of Japan's unusual naming law has concluded that everyone in the country will share the name "Sato" in around 500 years' time. Japanese law requires married couples to both adopt one of their surnames, with nearly 95 per cent of women taking their husbands' name.