Indonesia ; Sprachenzählung; Demography (linguistics) ; Language census ; English as a second language; ESL; TESOL ; Linguistic imperialism; Globalisierung; Globalization; Transnationalization; Colonialism/Globalization ; Identität und Sprache; Identity and language; Fremdheit und Sprache; Estrangement and language; Sprache und Integration; Integration und Sprache; Language and identity ; Multilingualism; Polylingualism; Plurilingualism ; English as international medium ; Regional language ; Other varieties of English ; Malaio-Polynesische Sprachen; Western Austronesian languages ; Bahasa Indonesia; Indonesian