The number of membership
(As of June 2025, 3)
Individual member
| branch | Hokkaido | Tohoku | Kanto | Chubu | Kansai | Kyusyu | Overseas | Total |
|---|---|---|---|---|---|---|---|---|
| honorary member | 2 | 0 | 30 | 10 | 4 | 2 | 0 | 48 |
| Regular member | 190 | 311 | 16,575 | 19,560 | 5,365 | 649 | 166 | 42,816 |
| Student member | 123 | 147 | 1,278 | 603 | 628 | 164 | 40 | 2,983 |
| Total | 315 | 458 | 17,883 | 20,173 | 5,997 | 815 | 206 | 45,847 |
Corporate member
| Total | 785 |