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

The surname Kosaku occurs more in Japan more than any other country or territory. It may be found as a variant:. For other possible spellings of this name click here.

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

The last name is the 224,112^th most commonly held last name worldwide It is held by approximately 1 in 4,012,966 people. The last name Kosaku is primarily found in Asia, where 100 percent of Kosaku are found; 100 percent are found in East Asia and 100 percent are found in Nippono-Asia. Kosaku is also the 21,737^th most widely held forename in the world, held by 41,057 people.

The last name is most commonly used in Japan, where it is held by 1,813 people, or 1 in 70,515. In Japan Kosaku is mostly concentrated in: Tokyo Metropolis, where 55 percent live, Chiba Prefecture, where 19 percent live and Saitama Prefecture, where 10 percent live. Besides Japan this last name occurs in 3 countries. It is also found in Brazil, where 0 percent live and Indonesia, where 0 percent live.