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Age: 20,856.6 ± 3,594.1; CI=95% (Behar et al., 2012b)
Origin: West Asia
Mutations: T10034C G16129A!
FTDNA Tree: Link
Parent Branch: N1a1b
Descendant branch(s): I1 I2'3 I4 I5 I6 I7


Haplogroup I is a branch on the maternal tree of human kind. It is a child of haplogroup N1a1b It was likely born in the West Asia around 21,000 years ago. (Behar et al., 2012b)


Most researchers consider the birthplace of I to have been born in West Asia.


Behar et al., 2012b placed the birth of the H lineage between 17,300 and 24,500 years ago. This means the line was born in the Upper Paleolithic. At the time, people were using stone tools.

Ancient DNA

Coming Soon


This timeline is an overview of the I branch's history from the first early people to the birth of the first woman from the I lineage. (View in new tab.)


National Geographic Geno 2.0 Text

Haplogroup: I
Age: 26,300 Years Ago
Origin: West Asia
Blurb: This branch was born in West Asia and the members who remain there today show greater genetic diversity than those who left. During the Upper Paleolithic period, this line moved north across the Caucasus and then into Europe.This wave of migration into West Europe marked the appearance and spread of what archaeologists call the Aurignacian culture. This culture brought significant innovations in methods of manufacturing tools, standardization of tools, and a broader set of tool types, such as end-scrapers for preparing animal skins and tools for woodworking.Today, this lineage is part of populations through Asia: Iran (5 percent), Pakistan (8.7 percent), Kenya (22 percent), and El Molo (22 percent). In Europe, later immigrant events have reduced its numbers through competition. Its frequency there is between 1 and 5 percent, and it is virtually absent from some countries such as France.

Author: Rebekah A. Canada | Copyright: National Geographic

mtDNA Haplogroup I Phylotree History is the maternal (mtDNA) tree of humanity. It is maintained by Dr. Mannis Van Oven. Each build is a major update to the tree. The current build is #17.

01I10034 16129 16391Released 27 Aug 2008
02I10034 16129 16391Released 14 Oct 2008
04I10034 16129 16391Released 10 May 2009
05I10034 16129 16391Released 8 Jul 2009
06I10034 16129 16391Released 28 Sep 2009
07I10034 16129 16391Released 10 Nov 2009
08I10034 16129 16391Released 21 Mar 2010
09I10034 16129 16391Released 20 Jun 2010
10I10034 16129 16391Released 10 Aug 2010
11I10034 16129 16391Released 7 Feb 2011
12I10034 16129 16391Released 20 Jul 2011
13I10034 16129 16391Released 28 Dec 2011; Last Build to use the rCRS
14IT10034C G16129A! G16391AReleased 5 Apr 2012; First version to use the RSRS
15IT10034C G16129A!Released 30 Sep 2012
16IT10034C G16129A!Released 19 Feb 2014
17IT10034C G16129A!Released 18 Feb 2016

mtDNA Haplogroup I Data Sources

GenBank Samples

GenBank is a database of genetic sequence data. It is run by the United States National Institute of Health. It serves as the main repository for mtDNA full sequence profiles. Samples come both from published academic literature and donations from genetic genealogy community members. In addition to GenBank samples, listings below may include other samples published but not submitted to GenBank such as those from the HapMap project.

Note: GenBank results currently use Phylotree build 16. I am working on changing resuts over to build 17.

Hg IDPublicationMissing VariantsAdditional Variants
Hap5008753Fernandes et al., 2012noneI:309.1C, 315.1C, 8882, 15511
Hap5008754Fernandes et al., 2012I:204I:315.1C, 3447, 11929
Hap5021215Olivieri et al., 2013noneI:315.1C, 9801, 14552, 16148, 16223

Geno 2.0 Data

Data from Geno 2.0 is derived from the The National Geographic Society’s Genographic Project — the DAR. The Hg ID is specific to this site and is used to protect the identities of those who take part in Genographic research. Birth Country, Mother's Birth Country, and Maternal Grandmother's Birth Country have been normalized from DAR database fields. The Maternal Origin is determined based on the three previous fields.

Note: Geno 2.0 results currently use Phylotree build 16. I am working on changing resuts over to build 17.

Hg IDBirth
Birth Country
Maternal Grandmother's
Birth Country
Hap10047475United StatesUnited StatesUnspecifiedUnited States

If you use the information in this table, please credit both this site and The National Geographic Society’s Genographic Project.

Sources & Resources

Related Sources

Additional Resources

mtDNA Consultants

The following members of the community offer paid consulting for those seeking help with mtDNA results. Inclusion on this list is not a recommendation or endorsement of any service.


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Last Updated: Last updated: October 8, 2018 at 15:14 pm

2018-10-08T15:14:07+00:00June 6th, 2016|