The Maeda Project · 600 English biographies published across 2759 people
Before 1900· 8 people
| Unknown belt | Mitsuyo Maeda"Otávio Maeda" | Japan | 1878 | 3 |
| Black belt | Geo Omori | Japan | 1898 | 1 |
| Black belt | Soshihiro Satake"Barriga Preta" | Japan | 1880 | 1 |
| Unknown belt | Ralph Lowe | — | 1805 | — |
| Unknown belt | Mario Aleixo | Brazil | 1887 | — |
| Unknown belt | Sada Miyako | Japan | 1881 | — |
| Unknown belt | Ben Baxter | — | 1876 | — |
| Unknown belt | H. Irving Hancock | United States | 1868 | — |
1900–1949· 33 people
1950–1979· 206 people
1980–1999· 245 people
2000–present· 47 people
2,759 people across 5 eras of BJJ history
The BJJ Story published people directory