Why is it der Koreaner?

Koreaner ends in -er, and most nouns ending in -er are masculine: in a German dictionary, 86% of them take der.

All nouns ending in -er
Sense 1
der

Meaning

[1] Citizens of the Republic of Korea (South Korea)

[1] Staatsbürger der Republik Korea (Südkorea)

[2] Citizens of the Democratic People's Republic of Korea (North Korea)

[2] Staatsbürger der Demokratischen Volksrepublik Korea (Nordkorea)

[3] Members of the Korean Volks

[3] Angehöriger des koreanischen Volks

[4] In the plural: ethnic group/people in East Asia

[4] im Plural: ethnische Gruppierung/Volk in Ostasien

Examples

[1]

[1]

Declension

1 Singular Plural
Nominativ der Koreaner die Koreaner
Genitiv des Koreaners der Koreaner
Dativ dem Koreaner den Koreanern
Akkusativ den Koreaner die Koreaner

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary