View the most partisan surnames in The United States

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

Koseki (Russian: Косэки) is found in Japan more than any other country/territory. It may also occur as a variant:. Click here for further potential spellings of this name.

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

The surname is the 84,196^th most frequently occurring surname on a worldwide basis It is held by around 1 in 1,269,386 people. The last name occurs predominantly in Asia, where 94 percent of Koseki reside; 93 percent reside in East Asia and 93 percent reside in Nippono-Asia. It is also the 692,220^th most common first name globally. It is borne by 174 people.

The surname Koseki is most numerous in Japan, where it is held by 5,311 people, or 1 in 24,072. In Japan Koseki is mostly concentrated in: Tokyo Metropolis, where 19 percent reside, Chiba Prefecture, where 17 percent reside and Kanagawa Prefecture, where 10 percent reside. Barring Japan this last name is found in 21 countries. It is also common in Brazil, where 3 percent reside and The United States, where 2 percent reside.

Koseki Last Name Statistics ^demography

In The United States those bearing the Koseki surname are 1.06% more likely to be registered Democrats than the national average, with 52.17% registered with the party.

Koseki earn somewhat more than the average income. In United States they earn 12.41% more than the national average, earning $48,503 USD per year.