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

The last name Keio occurs most in Japan. It may also be rendered as a variant:. Click here to see other possible spellings of Keio.

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

Keio is the 592,650^th most frequently occurring surname worldwide. It is borne by approximately 1 in 13,854,650 people. This last name is mostly found in Asia, where 66 percent of Keio live; 65 percent live in East Asia and 65 percent live in Nippono-Asia. It is also the 430,973^rd most commonly held first name throughout the world. It is borne by 401 people.

The last name Keio is most frequently held in Japan, where it is carried by 344 people, or 1 in 371,640. In Japan it is mostly concentrated in: Shimane Prefecture, where 55 percent are found, Tokyo Metropolis, where 14 percent are found and Hyōgo Prefecture, where 14 percent are found. Barring Japan this surname exists in 7 countries. It is also found in Papua New Guinea, where 33 percent are found and Kenya, where 1 percent are found.

Keio Family Population Trend ^{historical fluctuation}

The incidence of Keio has changed through the years. In The United States the share of the population with the surname rose 200 percent between 1880 and 2014.