Principal Financial Group Inc revenue for the last year amounted to 15.65 B USD, the most of which — 7.92 B USD — came from its highest performing source at the moment, Retirement and Income Solutions, the year earlier bringing 7.25 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Principal Financial Group Inc 12.70 B USD, and the year before that — 11.80 B USD.