PRINCIPAL FINANCIAL GROUP COM USD0.01 revenue for the last year amounted to 14.68 B USD, the most of which — 7.25 B USD — came from its highest performing source at the moment, Retirement and Income Solutions, the year earlier bringing 5.98 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought PRINCIPAL FINANCIAL GROUP COM USD0.01 11.80 B USD, and the year before that — 10.29 B USD.