Wolters Kluwer N.V. revenue for the last year amounted to 6.16 B USD, the most of which — 1.66 B USD — came from its highest performing source at the moment, Health, the year earlier bringing 1.55 B USD. The greatest contribution to the revenue figure was made by United States and Canada — last year it brought Wolters Kluwer N.V. 3.95 B USD, and the year before that — 3.72 B USD.