MERCK KGAA revenue for the last year amounted to 22.11 B EUR, the most of which — 9.32 B EUR — came from its highest performing source at the moment, Life Science, the year earlier bringing 9.09 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought MERCK KGAA 5.91 B EUR, and the year before that — 5.79 B EUR.