Why is it der Hongkonger?

Hongkonger 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] Person who lives in Hong Kong or was born there

[1] Person, die in Hongkong lebt oder dort geboren ist

Examples

[1] Your grandfather was Hong Gait

[1] Ihr Großvater war Hongkonger.

Declension

1 Singular Plural
Nominativ der Hongkonger die Hongkonger
Genitiv des Hongkongers der Hongkonger
Dativ dem Hongkonger den Hongkongern
Akkusativ den Hongkonger die Hongkonger

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary