In 2003, 25 percent of working wives whose husbands also worked earned more than their husbands.
This is up from 18 percent in 1987.
Among all married-couple families in which the wife (but not necessarily the husband) had earnings from work in 2003, 32 percent of the wives earned more than their husbands. This is a third higher than the 1987 figure of 24 percent.
Bureau of Labor Statistics, U.S. Department of Labor, The Economics Daily, Wives who earn more than their husbands at https://www.bls.gov/opub/ted/2005/jun/wk3/art04.htm (visited September 26, 2022).