Family name サイズ (Size 
, Sidse 
, サイズ 
) , worldwide, is quite a rare last name. The surname サイズ is characteristic of Sub-Saharan Africa, particularly Botswana, where it is quite a rare surname, Zimbabwe, and Cameroon. Not in comparison with a country's population, it most frequently occurs in Myanmar, Cameroon, and Zimbabwe. Likewise, サイズ is the forename as well as the last name.