Wrong Wiki link -- you wanted this one: http://en.wikipedia.org/wiki/List_of_languages_by_total_number_of_speakers http://en.wikipedia.org/wiki/List_of_language

Wrong Wiki link -- you wanted this one: http://en.wikipedia.org/wiki/List_of_languages_by_total_number_of_speakers http://en.wikipedia.org/wiki/List_of_languages_by_total_numb... English is a clear 2nd. (And on at least one estimate it is first)