List of prime ministers of Japan by home prefecture

This is a list of prime ministers of Japan by home prefecture.

This is based on prefectures where each prime minister was born, and not based on prefectures primarily affiliated or most closely associated with the prime ministers due to residence, professional career, or electoral history.

[1][2][3][4] This list includes Provinces, the former administrative divisions used from the 600s to 1882.

Twelve provinces and twenty-one prefectures, including 1 metropolis (Tokyo) have the distinction of being the birthplace of a prime minister.

The number of prime ministers per provinces and prefectures in which they were born are: