Quebec City - Population by mother tongue language (2006)

According to the Statistics Canada website, 94.6% of Quebec City's population speaks French as their mother tongue. In addition, more than a third of city residents can speak both French and English.

Reference 1: Population and Percentage.

Reference 2: French, English, English and French, Other languages, Unilingual French speakers, Unilingual English speakers and Bilingual French and English speakers.

Source: http://en.wikipedia.org/wiki/Quebec_City