dupe: https://news.ycombinator.com/item?id=39895869

> According to Yoshida’s calculations, the proportion of Japanese named Sato increased 1.0083 times from 2022 to 2023.

Not sure if I would base such extrapolations on a single year. For every country with this naming convention, I could probably find a number > 1 for a given year and extrapolate.

Also makes me wonder why we have societies where women give up their name. They carry the offspring inside but then they adopt the father's name. I think even genetically women contribute more through mitochondrial DNA.