Sprachenzählung; Demography (linguistics) ; Language census ; Elderspeak; Gerontolekt; Seniorensprache; Old age (language behavior) ; Language and sex; Gender studies; Metrosexuality; Language and gender ; Language situation ; Language diffusion; Language shift; Sprachwechsel; Language spread ; Minoritätensprache; Minority language ; Sprachbewahrung; Ethnolinguistic vitality; Vitality, ethnolinguistic; Sprachwechsel; Language shift; Heritage language; Language maintenance ; Australia (English language in) ; Australien (engl. Sprache in) ; English in Australia
