Telefonica S.A. is Spain's leading telecommunications operator. Net sales break down by activity as follows:
- mobile telephony (73.4%): 261.5 million subscribers at the end of 2019;
- fixed telecommunication service (26.6%): fixed telephone service, Internet access, broadcasting of TV channels, etc. The group operates in Spain (9 million telephone lines, 6 million ADSL lines and 4.1 million television subscriptions managed at the end of 2019), Europe (2.4 million telephone lines and 2.3 million ADSL lines managed), Brazil (10.8 million telephone lines, 7 million ADSL lines and 1.3 million television subscriptions managed) and Latin America (9 million telephone lines, 5.7 million ADSL lines and 3 million television subscriptions).
Net sales are distributed geographically as follows: Spain (26.4%), Brazil (20.7%), Latin America (21%), Germany (15.3%), the United Kingdom (14.7%) and other (1.9%).