Summary: It is estimated here that, as of 2008, about 28% of U.S. women ages 15-64 have had abortions. This figure has risen from 2.8% in 1973 to 11% in 1980, 19% in 1987, 24% in 1994, and 27% in 2001. In 2008, of women ages 40-55, about 40% have had abortions in their lifetimes.