page_title: Genetic studies on Bulgarians
section_title: mtDNA
hierarchical_section_title: Genetic studies on Bulgarians / mtDNA
caption_attribution_description: English: This is a map that has been translated from Spanish to English. The description of the original map was "Hypothesized map of human migration based on mitochondrial DNA."
context_page_description: The Bulgarians are part of the Slavic ethnolinguistic group as a result of migrations of Slavic tribes to the region since the 6th century AD and the subsequent linguistic assimilation of other populations.
  Hellenthal et al, 2014 estimated from data of 94 modern populations a couple of analyses on Bulgarians inferred from an admixture event in 1000-1600 YBP between a Slavic and a Cypriot donor group: to a Polish donor group Bulgarians are of an estimated 59% Polish-like and 41% Cypriot-like admixture; to a Belarusian, Bulgarians are of 46% Belorussian-like and 54% Cypriot-like admixture. Early gene flows between southeastern and eastern Europe make it difficult to obtain a correct estimate, although young enough identical by descent segments confirmed such connection and that the East and West Slavs share more identical by descent segments with South Slavs than with Greeks, inter-Slavic populations, but less with Balts, while the South Slavs share similar number with East and West Slavs, but fewer with Greeks.
context_section_description: Complementary evidence exists from mtDNA data. Bulgaria shows a very similar profile to other European countries – dominated by mitochondrial haplogroups Hg H (~42%), Hg U (~18%), Hg J/Hg T (~18%), and Hg K (~6%). Like most Europeans, H1 is the prevailing subclade among Bulgarians. Most of the U-carriers belong to U5 and U4. The distribution of the subclades of Haplogroup H have not been revealed. Recent studies show greater diversity within mt Haplogroups than once thought, as sub-haplogroups are being discovered, and often separate migrations and distributions of the Y-DNA haplogroups. While the Y-DNA variation in Europe is clinal, the mitochondrial is not.
  MtDNA haplgroups of ~1000 Bulgarians: 
  HV - 49%
  H - 41%
  H5 - 3%
  HV - 4%
  HV0 - 4%
  U - 18%
  U1 - 1%
  U2e - 1%
  U3 - 2%
  U4 - 4%
  U5 - 8%
  U5a - 5%
  U5b - 3%
  U6 - 0%
  U7 - 1%
  U8 - <1%
  JT - 18%
  K - 6%
  N - 5%
  N1 - 3%
  N2 - 2%
  X - 2%
  M - 1%
  L - <1%
  R0a - <1%
  Others - <1%
caption: Prevailing mtDNA hgs
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