Singapore Telecommunications Ltd. revenue for the last year amounted to 10.47 B USD, the most of which — 5.28 B USD — came from its highest performing source at the moment, Optus, the year earlier bringing 5.68 B USD. The greatest contribution to the revenue figure was made by Australia — last year it brought Singapore Telecommunications Ltd. 5.44 B USD, and the year before that — 5.71 B USD.