MERCK KGAA NPV revenue for the last year amounted to 20.99 B EUR, the most of which — 9.28 B EUR — came from its highest performing source at the moment, Life Science, the year earlier bringing 10.38 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought MERCK KGAA NPV 5.91 B EUR, and the year before that — 6.30 B EUR.