Banks in Japan by institution type
The type of institution decides more than its size: it shapes where the branches are, who the bank is set up to serve, and which services it is licensed to offer.
Megabank
5 banks
Online bank
8 banks
Digital (app-only) bank
2 banks
Retail / in-store bank
6 banks
Postal bank
1 bank
Regional bank
61 banks
Second-tier regional bank
34 banks
Trust bank
13 banks
Foreign bank in Japan
56 banks
Cooperative central institution
1 bank
187 JBA member banks and 254 shinkin recorded from the association roster and official pages as of 2026-08-15; 16 of them are researched individually.