According to the language in common use, 95% of the population was German, 4.66% was Czech, and the remainder was composed of Poles, Slovaks, Ruthenians, Croatians and Italians.
Of the emigrants in 1906, 52,121 were Magyars, 32,904 Slovaks, 30,551 Germans, 20,859 Rumanians and 16 0 016 Croats.
The Sla y s, the most numerous race after the Magyars, are divided into several groups: the Slovaks, mainly massed in the mountainous districts of northern Hungary; the Ruthenians, established mainly on the slopes of the Carpathians between Poprad and Maramaros Sziget; the Serbs, settled in the south of Hungary from the bend of the Danube eastwards across the Theiss into the Banat; the Croats, overwhelmingly preponderant in Croatia-Slavonia, with outlying settlements in the counties of Zala, Vas and Sopron along the Croatian and Styrian frontier.
Of these the Slovaks are the most important,, having an overwhelming majority in seven counties (94'7% in Arva, 66.1% in Saros), a bare ma j ority in three (Szepes, Bars and Poszody) and a considerable minority in five (40.6% in Gomor, 22.9% in Abauj-Torna).
Another important fact is that these races are all in direct contact with kindred peoples living outside Hungary: the Rumanians in Transylvania and Banat with those in Rumania and Bukovina; the Serbs and Croats with those on the other bank of the Danube, the Save and the Unna; the Germans in western Hungary with those in Upper Austria and Styria; the Slovaks in northern Hungary with those in Moravia; and lastly the Ruthenians with the Ruthenians of Galicia, who occupy the opposite slopes of the Carpathians.