Based on the Distribution of Y-chromosome DNA in Europe, here is a list of countries based on their ethnic percentages.
Foreword
Celts
There isn't a homogeneous Celtic ethnicity. Pre-Roman Europe had a strong Celtic culture ranging from Central Europe to the British Isles and Iberia. Celtic people can be divided in these rough categories, each associated with a subclade of R1b-S116+ (subclade markers are in brackets) :
- Rhine-Alpine-Italic Celts (S28)
- Scottish Celts (M222)
- Irish Celts (M37)
- Atlantic Celts* (M167)
- Basques (M65, M153)
* Northern Iberia, Western France, Cornwall, Wales.
Germans
What people call "Germanic ethnicity" is in fact a mixture of northern continental R1b (S116-, S21+) and I haplogroups (I1 + I2b). In Scandinavia and East Germany, the inclusion of a strong Slavic component (R1a) make them a slightly different ethnicity from the English, Dutch, Belgian or West Germans.
Slavs
The original Slavic (or Aryan or Kurgan) people belonged to haplogroup R1a. This haplogroup is also common in Central Asia, Iran and India, thanks to the great Indo-Aryan migrations.
Greco-Romans
The Ancient Greeks were an admixture of European and Near-Eastern people. The paternal side shows a strong Near-Eastern component, making modern Greek Y-DNA closer to Turkish, Syrian, Lebanese and even Iraqi one than to that of Western or Northern Europe. According to Y-DNA frequencies observed in Europe, Southern Italy and the Balkans were heavily settled by the Ancient Greeks, or their Neolithic ancestors that did not yet call themselves "Greeks".
We are still unsure about the original Y-DNA types of the Romans, but due to the proximity of the Greek colonies, and the fact that Etruscans were also of Near Eastern origins, it is likely that the Romans were an admixture of Near-Eastern J2, G2 and E3b with the native Italo-Celtic R1b. As the Romans played a major role in spreading Near-Eastern haplogroups in and north of the Alps, I will refer to the J2-G2-E3b admixture as Greco-Roman, and the Italic R1b just as "Celtic". Haplogroup G2 correlates strongly with the spread of J2 with a ratio of 1 G2 for 3 J2 in average, suggesting that these haplogroups spread together from Anatolia, while the European E3b had a different origin (probably in the Balkans).
Most Celtic countries in Europe (R1b-S116+)
Most Germanic countries in Europe (I1 + I2b + R1b-S116-)
Most Slavic countries in Europe (R1a + I2a2)
Most Indo-European countries (R1a + R1b)
Most Paleolithic European (Cro-Magnon) countries (I1 + I2)
Most Greco-Balkanic (or Near Eastern) countries in Europe (E-M78 + T + J + G2a)
Most Uralo-Finnic countries in Europe (N1c1)
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Here are a few ethnic combinations (must have at least 20% of each). I use the term "Greek" or "Greco-" as an abbreviation to mean "Near-Eastern" (actually Levant + Anatolia + Greece + Balkans), i.e. the people associated with the early farming.
Most Greco-Celtic countries (R1b + E + T + G2a + J2)
Most Italo-Celto-Germanic countries (R1b + I)
Most Slavo-Germanic countries
Most Greco-Slavic countries
Most Uralo-Slavic countries
Foreword
Celts
There isn't a homogeneous Celtic ethnicity. Pre-Roman Europe had a strong Celtic culture ranging from Central Europe to the British Isles and Iberia. Celtic people can be divided in these rough categories, each associated with a subclade of R1b-S116+ (subclade markers are in brackets) :
- Rhine-Alpine-Italic Celts (S28)
- Scottish Celts (M222)
- Irish Celts (M37)
- Atlantic Celts* (M167)
- Basques (M65, M153)
* Northern Iberia, Western France, Cornwall, Wales.
Germans
What people call "Germanic ethnicity" is in fact a mixture of northern continental R1b (S116-, S21+) and I haplogroups (I1 + I2b). In Scandinavia and East Germany, the inclusion of a strong Slavic component (R1a) make them a slightly different ethnicity from the English, Dutch, Belgian or West Germans.
Slavs
The original Slavic (or Aryan or Kurgan) people belonged to haplogroup R1a. This haplogroup is also common in Central Asia, Iran and India, thanks to the great Indo-Aryan migrations.
Greco-Romans
The Ancient Greeks were an admixture of European and Near-Eastern people. The paternal side shows a strong Near-Eastern component, making modern Greek Y-DNA closer to Turkish, Syrian, Lebanese and even Iraqi one than to that of Western or Northern Europe. According to Y-DNA frequencies observed in Europe, Southern Italy and the Balkans were heavily settled by the Ancient Greeks, or their Neolithic ancestors that did not yet call themselves "Greeks".
We are still unsure about the original Y-DNA types of the Romans, but due to the proximity of the Greek colonies, and the fact that Etruscans were also of Near Eastern origins, it is likely that the Romans were an admixture of Near-Eastern J2, G2 and E3b with the native Italo-Celtic R1b. As the Romans played a major role in spreading Near-Eastern haplogroups in and north of the Alps, I will refer to the J2-G2-E3b admixture as Greco-Roman, and the Italic R1b just as "Celtic". Haplogroup G2 correlates strongly with the spread of J2 with a ratio of 1 G2 for 3 J2 in average, suggesting that these haplogroups spread together from Anatolia, while the European E3b had a different origin (probably in the Balkans).
Most Celtic countries in Europe (R1b-S116+)
- Ireland : about 75% of Y-DNA
- Spain & Wales : about 70%
- Scotland : about 65%
- France & Portugal : about 55%
- Italy : about 40%
- Switzerland, Belgium & England : about 35%
- Germany : about 25%
- Netherlands & Denmark : about 20%
Most Germanic countries in Europe (I1 + I2b + R1b-S116-)
- Netherlands: about 70% of Y-DNA
- Sweden : about 65%
- Denmark : about 58%
- Norway & Iceland : about 55%
- England : about 53%
- Germany : about 40%
- Belgium : about 38%
- Austria : about 34%
- Finland : about 32%
- Czech Republic : about 26%
- Switzerland : about 22%
- France : about 21%
- Slovakia : about 19%
- Estonia : about 18%
- Poland : about 14%
Most Slavic countries in Europe (R1a + I2a2)
- Belarus & Croatia : about 70% of Y-DNA
- Poland : about 65%
- Bosnia : about 63%
- Ukraine & Russia (historical) : about 55%
- Slovakia : about 52%
- Serbia : about 50%
- Hungary : about 48%
- Czech Republic & Romania : about 43%
- Bulgaria : about 38%
Most Indo-European countries (R1a + R1b)
- Wales : about 84% of Y-DNA
- Ireland : about 82%
- Scotland : about 80%
- Poland : about 73%
- Spain : about 72%
- England : about 71%
- Iceland & Belgium : about 65%
- Netherlands & Germany : about 60%
Most Paleolithic European (Cro-Magnon) countries (I1 + I2)
- Croatia : about 51% of Y-DNA
- Sweden : about 44%
- Norway & Bulgaria : about 37%
- Denmark : about 36%
- Serbia : about 35%
- Iceland : about 33%
- Belarus & Finland : about 29%
- Netherlands & Hungary : about 25%
- Czech Republic : about 24%
- England, Germany & Romania : about 21%
- Belgium : about 20%
Most Greco-Balkanic (or Near Eastern) countries in Europe (E-M78 + T + J + G2a)
- Greece : about 58% of Y-DNA
- Albania : about 48%
- Turkey : about 45%
- Italy : about 40%
- Macedonia Portugal : about 38%
- Romania : about 33%
- Austria & Bulgaria : about 30%
- Switzerland : about 25%
- Hungary : about 22%
- France : about 20%
- Germany : about 16%
Most Uralo-Finnic countries in Europe (N1c1)
- Finland : about 60% of Y-DNA
- Latvia & Lithuania : about 40%
- Estonia : about 35%
- Russia (historical) : about 23%
- Sweden : about 7%
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Here are a few ethnic combinations (must have at least 20% of each). I use the term "Greek" or "Greco-" as an abbreviation to mean "Near-Eastern" (actually Levant + Anatolia + Greece + Balkans), i.e. the people associated with the early farming.
Most Greco-Celtic countries (R1b + E + T + G2a + J2)
- Portugal : about 90% of Y-DNA
- Italy : about 82%
- France : about 75%
- Switzerland : about 60%
Most Italo-Celto-Germanic countries (R1b + I)
- Netherlands : about 95% of Y-DNA
- Ireland & Wales : about 90%
- England & Scotland : about 85%
- Belgium : about 78%
- Denmark & France : about 75%
- Germany : about 65%
- Switzerland : about 58%
- Italy : about 55%
Most Slavo-Germanic countries
- Iceland : about 95% of Y-DNA
- Sweden & Norway : about 85%
- Czech Republic : about 72%
- Austria & Slovakia : about 65%
Most Greco-Slavic countries
- Ukraine : about 85% of Y-DNA
- Serbia & Greece : about 80%
- Albania & Bulgaria : about 77%
- Romania : about 70%
- Hungary : about 65%
- Austria : about 60%
Most Uralo-Slavic countries
- Lithuania : about 85% of Y-DNA
- Latvia & Russia : about 80%
- Estonia : about 70%
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