MERCK KGAA revenue for the last year amounted to 19.51 B CHF, the most of which — 8.62 B CHF — came from its highest performing source at the moment, Life Science, the year earlier bringing 10.27 B CHF. The greatest contribution to the revenue figure was made by United States — last year it brought MERCK KGAA 5.49 B CHF, and the year before that — 6.24 B CHF.