Dentsu Group Inc. revenue for the last year amounted to 9.25 B USD, the most of which — 8.38 B USD — came from its highest performing source at the moment, Advertising, the year earlier bringing 8.66 B USD. The greatest contribution to the revenue figure was made by Japan — last year it brought Dentsu Group Inc. 3.89 B USD, and the year before that — 4.04 B USD.