AUTOMATIC DATA PROCESSING INC revenue for the last year amounted to 16.51 B EUR, the most of which — 11.04 B EUR — came from its highest performing source at the moment, Employer Services, the year earlier bringing 10.47 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought AUTOMATIC DATA PROCESSING INC 14.62 B EUR, and the year before that — 13.84 B EUR.