| AQUITANIANS | VASCONIANS, BASKOIAK | Basques |
| | | |
| INDO-EUROPEANS | CELTS | GAELS | Irish, Scottish, Manx |
| | BRITTONS | Welsh, Cornish, Breton |
| ROMANS | ITALIC and ALPINE ROMANS | Italians, Sards, Corsicans; Ladins, Friulans; Maltese |
| | SOUTHWESTERN ROMANS | Portuguese, Galicians, Spaniards,
Gascons, Catalans, and Occitans |
| | NORTHERN ROMANS | Peoples of Provence, Nice, Monaco and Brigasque country, French, Arpitans (including Aostans and Savoyards),
Norman Islanders, Walloons |
| | SUB-DANUBIAN ROMANS | Romanians, Aromanians |
| | | Quadripartite Helvetic community.
Swiss: German speakers, Romance-language speakers (including Romansh, French / Arpitan speakers, and Italian speakers) |
| GERMANS | SCANDINAVIAN GERMANS | Icelanders, Norwegians, Faroese, Danes, Swedish |
| | CONTINENTAL GERMANS | German speakers: nationals of the German states and related communities, Austrians and German-speakers South of the Alps; Alsatians, Mosel Lorrainers; Luxembourgers; Dutch (from the Kingdom of the Netherlands) and Flemish |
| | WESTERN GERMANS | Frisians (West, North, East); English |
| BALTIC PEOPLES | Lithuanians, Latvians |
| SLAVIC PEOPLES | WESTERN SLAVS | Sorbs, Czechs, Slovaks, Kashubians, Poles |
| | EASTERN SLAVS | Belarusians, Ukrainians; Russians |
| | SOUTHERN SLAVS | Slovenes, Croats, Serbs, Montenegrins, Macedonians, Bulgarians |
| ILLYRIANS | Albanians |
| HELLENES | Greeks |
| | | |
| IRANIAN ANCESTRY | | | Ossetians |
| | | |
| URALIC PEOPLES | FINNS | BALTIC FINNS | Finns, Estonians, Livonians, Votes, Ingrians;
Karelians and Tver Karelians, Ludic people and Olonetsians, Vepsians |
| | SÁMI | Sámi |
| | PERM FINNS | Komi and Komi-Permyaks, Udmurts; |
| | VOLGA FINNS | Mordvins, Maris |
| UGRIC PEOPLES | MAGYARS | Hungarians |
| | OB-UGRIC PEOPLES | Khanty and Mansi |
| SAMOYED | Nenets |
| | | |
| ALTAIC PEOPLES | TURCO-TATARS | Gagauz;
Kazan Tatars, Chuvash, Bashkirs,
Crimean Tatars, Neman Tatars |
| MONGOLS - OIRATS | Kalmyks |
| | | |
| NORTH-WESTERN CAUCASIANS | CIRCASSIANS | Adyghe and other related sub-ethnic groups |