As of June 2024[update], Japanese government figures recorded 173,813 legal residents of Indonesian nationality.
[3] Indonesians in Japan tend to be younger than other Muslim migrants; 64.5% of legal residents are recorded to be between 20 and 30 years old, whereas the majority of the other large Muslim migrant groups (Iranians, Bangladeshis, and Pakistanis) are between 30 and 40 years old.
[4] 37% of legal residents live in the Kantō region, a much smaller proportion than for other Muslim migrants; that includes 2,175 people in Tokyo itself, 1,236 in Saitama, 1,204 in Ibaraki, 1,002 in Kanagawa, 845 in Chiba, 519 in Gunma, and 244 in Tochigi.
[5] Since 1998 the chief of a factory association in Oarai has invited Japanese descendants and migrants from North Sulawesi to work for seafood industries.
This trend was believed to have begun in the late 1970s, when one Indonesian working in Japan sent a car back to his homeland.