The number of membership
(As of June 2025, 7)
Individual member
| branch | Hokkaido | Tohoku | Kanto | Chubu | Kansai | Kyusyu | Overseas | Total |
|---|---|---|---|---|---|---|---|---|
| honorary member | 2 | 0 | 34 | 10 | 4 | 2 | 0 | 52 |
| Regular member | 176 | 287 | 15,754 | 19,667 | 5,140 | 615 | 153 | 41,792 |
| Student member | 101 | 93 | 1,224 | 579 | 553 | 133 | 38 | 2,721 |
| Total | 279 | 380 | 17,012 | 20,256 | 5,697 | 750 | 191 | 44,565 |
Corporate member
| Total | 809 |