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

Koasa (Russian: Коаса) is carried by more people in Japan than any other country/territory. It can also be found in the variant forms:. For other possible spellings of this last name click here.

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

The last name Koasa is the 895,817^th most commonly occurring family name in the world, held by approximately 1 in 24,373,063 people. This surname occurs mostly in Asia, where 88 percent of Koasa reside; 61 percent reside in East Asia and 61 percent reside in Nippono-Asia. Koasa is also the 554,411^th most frequently used first name internationally, held by 258 people.

The last name Koasa is most commonly used in Japan, where it is carried by 181 people, or 1 in 706,322. In Japan it is primarily found in: Hokkaido Prefecture, where 27 percent are found, Yamagata Prefecture, where 24 percent are found and Saitama Prefecture, where 22 percent are found. Other than Japan this surname is found in 5 countries. It also occurs in Indonesia, where 27 percent are found and Lesotho, where 7 percent are found.