FTDNA mt-tree branch

J2a1a1a

J2a1a1a is a branch of the FamilyTreeDNA mt tree with 901 kits that gave a country, counting all sub-branches. It is most common in these samples: Iceland (1.5% of kits), Germany (1.4% of kits), Netherlands (1.4% of kits). FTDNA Discover publishes no age for this branch; YFull's, when it has one, is below. YFull has 277 samples in this branch and dates its common foremother to 2,400 years ago.

901

kits in the branch

with a country given, including all sub-branches

267

on the branch itself

kits whose test did not resolve a sub-branch

sub-branches

1 with their own page, 2 without

2,400 years

age by YFull

common foremother (TMRCA); the branch split from its parent 5,000 years ago

Where it is found #

Countries and regions given by the branch's carriers. “Share of branch” is the part of the branch's kits that belongs to the country. “Share of country” is the part of that country's kits that falls into the branch; it is computed only for countries with at least 50 kits.

Where it is found
Country / region	kits	Share of branch	Share of country
United States	178	19.8%	0.9%
Germany	155	17.2%	1.4%
England	106	11.8%	0.9%
Sweden	104	11.5%	1.1%
Finland	61	6.8%	0.8%
Ireland	35	3.9%	0.3%
Scotland	30	3.3%	0.7%
United Kingdom	27	3.0%	0.6%
Norway	25	2.8%	0.6%
United States (Native American)United States	21	2.3%	0.9%
Netherlands	20	2.2%	1.4%
Poland	19	2.1%	0.4%
France	16	1.8%	0.4%
Czech Republic	15	1.7%	1.3%
Denmark	13	1.4%	1.2%
Russian Federation	11	1.2%	0.4%
Canada	7	0.8%	0.3%
Switzerland	6	0.7%	0.5%
Wales	6	0.7%	0.6%
Austria	5	0.6%	0.6%

19 more

The remaining countries and regions (19), 41 kits in total: Italy 5, Spain 5, Ukraine 5, Lithuania 4, Romania 3, Slovakia 3, Slovenia 3, Belgium 2, Afghanistan 1, Australia 1, Belgium (Wallonia) 1, Brazil 1, Hungary 1, Iceland 1, Israel 1, Luxembourg 1, Macedonia 1, Mexico 1, Northern Ireland 1.

YFull

Most common among these peoples #

From YFull samples that gave a mother tongue: the part of a people's samples that falls into this branch. Peoples with at least 3 samples in the branch are listed.

English: 0.6% of samples (3 of 511)

Sub-branches #

Sub-branches that have their own page (50 kits or more). The bar is the kits in the sub-branch with its own sub-branches; the age is when its common foremother lived.

J2a1a1a2

565 · 62.7%

2 small sub-branches more without a page: 69 kits. On the branch itself, without a resolved sub-branch: 267 kits.

YFull

The same branch on YFull #

YFull builds its tree from the same SNPs; the node is matched by name or by a shared SNP. TMRCA is when the common ancestor of all samples lived, formed is when the branch split from its parent. Intervals are 95%.

J2a1a1a: 277 samples. The common foremother lived 2,400 years ago (2,300–2,500); the branch split off 5,000 years ago (4,700–5,300).