Haplogroup J-M172 (J2)
J-M172 spread from the northern Fertile Crescent with the first farmers — today it is a leading paternal lineage across Anatolia, the Caucasus, Iran and the Mediterranean. Explore the branch in the full Y-DNA haplotree — sub-branches, defining variants and where its testers live. Free, no account needed.
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Origin and distribution of J-M172 (J2)
J-M172 — haplogroup J2 — rose in the uplands of the northern Fertile Crescent and the Zagros around the dawn of agriculture, and its history is the history of that world's expansions: with early farmers into Anatolia and the Aegean, with Bronze Age civilisations across the Near East, and by sea along the whole Mediterranean. Today it is among the most common paternal lineages in Turkey, the Caucasus (peaking spectacularly among some Dagestani peoples), Iran, the Levant and Mesopotamia, with strong Mediterranean frequencies in Greece, Italy and the islands.
Its two great wings, J-M410 (J2a) and J-M12 (J2b), took different roads — J2a dominating the Near Eastern and Mediterranean heartland, while J2b (particularly J-L283) established itself early in the Balkans, where ancient DNA finds it in Bronze Age burials from the Adriatic to the Morava. In South Asia both wings appear as a significant minority, a trace of Neolithic and later westerly contacts.
One line among many: your Y haplogroup traces a single paternal line — one ancestor per generation out of thousands — so it is a thread of deep ancestry, not an ethnicity and not a percentage of who you are. Two men in the same branch share a forefather, but the rest of their genomes can differ as much as any two strangers'.
Frequently asked questions
What is haplogroup J-M172 (J2)?
J-M172 spread from the northern Fertile Crescent with the first farmers — today it is a leading paternal lineage across Anatolia, the Caucasus, Iran and the Mediterranean. It is a branch of the Y-DNA tree: everyone in it inherits the same set of defining mutations from one shared forefather.
How do I find out if I belong to J-M172 (J2)?
If you have already tested with a consumer DNA company, the free Y-DNA Clade Finder reads a raw DNA export (23andMe, AncestryDNA, MyHeritage or a VCF) and places you on the tree at the resolution your file supports — free, and the file is discarded after analysis. A dedicated Y-DNA sequencing test resolves deeper branches than a genotyping chip can.
Does belonging to J-M172 (J2) make me descend from one people?
No. A haplogroup follows a single paternal line — one ancestor per generation — while the rest of your ancestry doubles every generation back. It is a deep-time thread, not an ethnicity, and two members of the same branch can otherwise be as genetically different as any two strangers.
What does this page's tree data show?
The live browser below shows the branch inside the full Y-DNA haplotree of tested lineages — its sub-branches, the variants that define them, and the countries its testers report. Counts reflect people who have taken a Y-DNA test and shared an origin, so they describe the tested world, not ancient frequencies.
Keep exploring
Don't know your haplogroup yet? The free Y-DNA Clade Finder reads it from a raw DNA export. Or browse the whole tree in the Y-DNA Haplotree. Other major branches: