Russian Census (2002) - Results - Language abilities

142.6 million (98.3%) of the responders claimed competence in Russian. Other widely reported languages (more than 500,000 speakers each) are listed in the chart below.

Reference 1: Speakers (millions).

Reference 2: English, (Volga) Tatar, German, Ukrainian, Chechen, Chuvash, Armenian, Avar, French, Azeri, Mordvin (Moksha or Erzya), Kabardian or Circassian, Kazakh and Dargin.

Source: http://en.wikipedia.org/wiki/Russian_Census_(2002)