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Project Statistics 9 May 2026Open Y combines the databases for FTDNA, YFull, and TheYTree creating something far larger than any of them.
Database | Number Haplogroups | Total SNPs | Recurrent SNPs | Total Testers |
| Open Y | 155,368 | 1,365,092 | Under Review | ~1,058,084 † |
| FTDNA | 104,111 | 857,830 | 31,293 | 709,158 |
| YFull | 42,433 | 436,335 | 14,098 | ~288,976 † |
| TheYTree | 49,523 | 515,691 | 19,067 | ~337,260 † |
| YBrowse | n/a | 2,977,359 * | n/a | n/a |
* Total number of registered SNPs