FamilyTreeDNA’s Y-DNA Haplotree: 90,000 Branches and Counting
FamilyTreeDNA’s Y-DNA haplotree is the largest of its kind, with over 90,000 branches and 750,000 variants. This overview outlines its structure, scientific value, and current scope as of April 2025.
The World’s Largest Y-DNA Haplotree
FamilyTreeDNA maintains the largest Y-DNA haplotree in the world — a growing record of paternal ancestry. Each month, we update this post with the latest stats, insights, and tools to help you explore your place in history.