Merck KGaA revenue for the last year amounted to 23.17 B USD, the most of which — 10.24 B USD — came from its highest performing source at the moment, Life Science, the year earlier bringing 11.11 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Merck KGaA 6.52 B USD, and the year before that — 6.74 B USD.