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Costa Rica: haplogroups

FamilyTreeDNA has 63 kits with a Y-DNA result and 41 kits with mtDNA (mitochondrial DNA). On the paternal line the most common are R1b-P312 — 22%, E1b1b-M35 — 13% and E-U175 — 10%. For mt that is fewer than 50, so those shares below are a rough guide only.

Compare with…
2.5
Y-DNA · kits per 100,000 men
rank 86 of 123 among countries. About 2.5 million men (UN, 2023). A kit's country is the ancestor's homeland, not where the tester lives

Paternal line · Y-DNA

63 kits · 16 branches
Main branches of the Y tree. Each branch counts every kit in it and in its sub-branches; sub-branches are indented. Age is how many years ago the branch's common ancestor lived (TMRCA).
R1b-L51
21 · 33% 6,100 years
P312
14 · 22% 4,900 years
DF27
9 · 14% 4,700 years
Z195
5 · 8% 4,600 years
DF13
3 of 63 4,600 years
U106
4 of 63 5,000 years
E
15 · 24% 52k years
E1b1b-M35
8 · 13% 25k years
E-M34
5 · 8% 15k years
U175
6 · 10% 8,800 years
G2a
7 · 11% 19k years
P303
4 of 63 12k years
I2
6 · 10% 25k years
I2b
3 of 63 17k years
Q-M3
3 of 63 14k years
J1-Z2313
3 of 63 5,800 years
other
8 · 13%

Among the rest: L 1.

Maternal line · mtDNA

41 kits · 7 branches
Main mt-tree branches grouped by letter, sub-branches indented. Each branch counts every kit in it and in its sub-branches. Age is how many years ago the branch's common foremother lived, from FTDNA data where available.
A2-x
21 · 51%
A2w
11 · 27% 8,400 years
A2af1
7 · 17% 13k years
A2af1a1
4 of 41 5,800 years
A2af1b
3 of 41 13k years
A2u
3 of 41 16k years
B2d
12 · 29% 5,700 years
other
8 · 20%

Among the rest: L 2, D 2, H 2.

Migration paths of the characteristic branches #

Paths of the region's main characteristic branches, as modelled by FamilyTreeDNA Discover, on one calendar clock: in each year a branch stands where its ancestral line was. Grey is a stretch of path shared by several branches; the large marker is the branch itself.

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  • E-P2 · 22%
  • Shared trunk
  • Territory: Costa Rica

The time scale is logarithmic: the closer to the present, the longer a year takes.

The same branches are in the tree on this page.

Costa Rica: Y-DNA #

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.

  • E-P2: 14 kits · 22.2% (95% confidence interval: 14–34%) (×3.1) 42k 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 2026-11-02.

Y-DNA

YFull has fewer than 30 samples from this country, too few to compare. 7 samples on YFull

mtDNA

YFull has fewer than 30 samples from this country, too few to compare. 6 samples on YFull

13%
Y-DNA · 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.
18%
Big Y
rough share of kits with a Big Y test, a full read of the Y chromosome. It is estimated from the branches where the region's kits sit, so it is an estimate, not a count.

Data on this page: FamilyTreeDNA Y tree, 12 November 2026: 63 kits; FamilyTreeDNA mtDNA tree, 11 November 2026: 41 kits; YFull Y tree, 2 November 2026: 7 samples; YFull mtDNA tree, 2 November 2026: 6 samples.

How to cite: ftdnastat, "Costa Rica: Y-DNA and mtDNA haplogroups", https://ftdnastat.github.io/en/c/costa-rica/, data of 2026-11-14, build 20261114-18dba71.

The data is licensed under CC BY 4.0: take it, rework it, just credit ftdnastat.