Current laws in Japan, which dictate that families should adopt one family name after marriage, could result in the whole population being named "Sato."
South Korea is set to become a super-aged society in 2025, when people over the age of 65 will account for 20 per cent of its total population of 52 million. By 2050, the segment could rise to nearly 44 per cent.
South Korea has broken its own record in having the world's lowest birth rate. The average number of expected births for women in the country plunged to 0.72 in 2023 far below the 2.1 figure needed to maintain a stable population. More South Koreans are delaying or even deciding not to have children, despite the gov