View the most partisan surnames in The United States

Where Does The Last Name Koyasu Come From? ^{nationality or country of origin}

The surname Koyasu is more frequently found in Japan than any other country/territory. It may also be found as:. Click here to see other possible spellings of Koyasu.

How Common Is The Last Name Koyasu? ^{popularity and diffusion}

This last name is the 81,532^nd most commonly occurring family name on earth. It is borne by around 1 in 1,223,564 people. The surname Koyasu occurs mostly in Asia, where 100 percent of Koyasu are found; 99 percent are found in East Asia and 99 percent are found in Nippono-Asia.

Koyasu is most frequent in Japan, where it is borne by 5,920 people, or 1 in 21,595. In Japan it is primarily found in: Chiba Prefecture, where 47 percent are found, Tokyo Metropolis, where 12 percent are found and Gifu Prefecture, where 11 percent are found. Other than Japan it is found in 8 countries. It is also common in The United States, where 0 percent are found and Thailand, where 0 percent are found.

Koyasu Last Name Statistics ^demography

In The United States those holding the Koyasu last name are 46.77% more likely to be registered Democrats than The US average, with 100% being registered to vote for the political party.

Koyasu earn a lot less than the average income. In United States they earn 37.41% less than the national average, earning $27,009 USD per year.