TransUnion revenue for the last year amounted to 4.18 B USD, the most of which — 3.23 B USD — came from its highest performing source at the moment, U.S. Markets, the year earlier bringing 2.43 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought TransUnion 3.23 B USD, and the year before that — 2.43 B USD.