MERCK KGAA revenue for the last year amounted to 456.63 B MXN, the most of which — 192.44 B MXN — came from its highest performing source at the moment, Life Science, the year earlier bringing 173.99 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought MERCK KGAA 121.99 B MXN, and the year before that — 110.81 B MXN.