The principal language of Ontario is English, the province's "de facto" official language, with approximately 97.2 per cent of Ontarians having proficiency in the language, although only 69.5 per cent of Ontarians reported English as their mother tongue in the 2016 Census. English is one of two official languages of Canada, with the other being French. English and French are the official languages of the courts in Ontario. Approximately 4.6 per cent of the population were identified as francophones, with 11.5 per cent of Ontarians having proficiency in French. Approximately 11.2 per cent of Ontarians reported being bilingual in both official languages of Canada. Approximately 2.5 per cent of Ontarians have no proficiency in either English or French.