Telefonica S.A. revenue for the last year amounted to 44.87 B USD, the most of which — 22.13 B USD — came from its highest performing source at the moment, Mobile, the year earlier bringing 20.87 B USD. The greatest contribution to the revenue figure was made by Spain — last year it brought Telefonica S.A. 13.63 B USD, and the year before that — 13.08 B USD.