Why is it die Immigration?

Immigration ends in -ion, and almost all nouns ending in -ion are feminine: in a German dictionary, 94% of them take die.

All nouns ending in -ion
Sense 1
die

Meaning

[1] Permanent immigration from another country

[1] dauerhafte Einwanderung aus einem anderen Land

Examples

[1] Immigration is a major problem in many countries

[1] Die Immigration ist in vielen Ländern ein großes Problem.

Declension

1 Singular Plural
Nominativ die Immigration die Immigrationen
Genitiv der Immigration der Immigrationen
Dativ der Immigration den Immigrationen
Akkusativ die Immigration die Immigrationen

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary