Japan mtDNA

FamilyTreeDNA holds for Japan: 296 kits with mtDNA. On the maternal line the most common are M7a — 8%, D4b — 8% and D4e — 7%. YFull has 34 samples for mt from the same area, and its mix of major branches is noticeably different. The largest gap is M7a: 8% on FTDNA against 21% on YFull.

296

kits

161 distinct finest branches

47%

on leaves

share of kits that reached the finest branch of the tree. The rest stopped at a broad branch: their test was not detailed enough.

Each colour is one of the eight most common macro-haplogroups worldwide (the first letter of the haplogroup, such as R or J). Everything else is grey.HUTJKVLIother

Level 1

Macro-haplogroups #

The opening letters of the mtDNA haplogroup (H, U, HV), the broadest division of the mt tree. Percentages of all the region's kits.

123 · 41.6%

51 · 17.2%

34 · 11.5%

24 · 8.1%

22 · 7.4%

17 · 5.7%

14 · 4.7%

4 · 1.4%

2 · 0.7%

1 · 0.3%

Level 2

Branches #

mt-tree branches shortened to three parts: letters, a number and one letter, such as U5a, H13a, J2b.

M7a

25 · 8.4% 26k years

D4b

24 · 8.1% 23k years

D4e

22 · 7.4% 18k years

D4a

21 · 7.1% 15k years

A5a

13 · 4.4% 7,000 years

B4b

13 · 4.4% 30k years

N9a

12 · 4.1% 19k years

M7b

11 · 3.7% 42k years

D4c

10 · 3.4% 20k years

M9a

8 · 2.7% 21k years

G2a

8 · 2.7% 17k years

B4c

8 · 2.7% 35k years

G1a

7 · 2.4% 17k years

D4g

7 · 2.4% 20k years

D5a

7 · 2.4% 19k years

D5c

6 · 2.0% 21k years

F1a

6 · 2.0% 16k years

D4h

5 · 1.7% 23k years

D4i

5 · 1.7% 13k years

B5b

5 · 1.7% 28k years

YFull

The same country on YFull #

The same country at the second company, YFull. Its samples are placed on the FTDNA tree by shared mutations, so the branches are comparable. FTDNA share on the left, YFull on the right, then the difference in percentage points. Republics and other sub-regions are taken out of the country, as at FTDNA. Starred branches are nearly empty at YFull: every test there is whole-genome and reaches the fine branches. Only YFull customers (YF number) are counted, no ancient DNA. YFull data of 2026-09-29.

296

FTDNA

kits

YFull

samples

Macro-haplogroups

FTDNAYFull

FTDNA · YFull · Δ

41.6% · 35.3%−6.3

17.2% · 23.5%+6.3

11.5% · 20.6%+9.1

8.1% · 8.8%+0.7

7.4% · 0.0%−7.4

5.7% · 5.9%+0.1

4.7% · 2.9%−1.8

0.3% · 2.9%+2.6

1.4% · 0.0%−1.4

0.7% · 0.0%−0.7

0.3% · 0.0%−0.3

Branches

FTDNAYFull

FTDNA · YFull · Δ

M7a

8.4% · 20.6%+12.1

D4a

7.1% · 8.8%+1.7

D4g

2.4% · 8.8%+6.5

D4b

8.1% · 5.9%−2.2

D4e

7.4% · 2.9%−4.5

B4b

4.4% · 5.9%+1.5

N9a

4.1% · 5.9%+1.8

B4c

2.7% · 5.9%+3.2

D5c

2.0% · 5.9%+3.9

A5a

4.4% · 0.0%−4.4

M7b

3.7% · 0.0%−3.7

D4c

3.4% · 0.0%−3.4

Distinctive branches #

Branches found here far more often than worldwide: their share is more than 3× the world share. The multiplier is in brackets. Branches of at least 10 kits are included.

M7a: 25 kits · 8.4% (×379.4)
A5a: 13 kits · 4.4% (×348.2)
D4a: 21 kits · 7.1% (×245.2)
D4e: 22 kits · 7.4% (×204.4)
D4b: 24 kits · 8.1% (×195.1)
D4c: 10 kits · 3.4% (×253.0)
B4b: 13 kits · 4.4% (×95.5)
M7b: 11 kits · 3.7% (×71.5)

Most similar countries #

Countries whose mix of major branches looks most like this one. The number is similarity: 100% is the same mix, lower means less in common. Computed only for countries with 100+ kits.