Spring has sprung, folks, and It’s that time again! We’ve had recent intel from the four biggest DNA testing companies, so it’s time to update the autosomal database graph.
AncestryDNA noted in their recent Impact Report (page 4) that they have more than 21 million DNA customers. They are by far the largest database, roughly the size of all of their competition combined.
Finally, FamilyTreeDNA does not disclose its autosomal database size. However, Tim Janzen regularly estimates how large it is by extrapolating the match lists of the many kits that he manages. His current estimate is 1.77 million, which is roughly in line with their growth over the past few years. However, FTDNA’s change to the matching algorithm in August 2021 may affect the estimate somewhat.
Without further ado, here’s the updated graph: