Roe v. Wade Support Waning Harris poll has been measuring Roe v. Wade support for 33 years and reports just 49% of U.S. adults support the decision today vs. 57% in ’98. 40% favor laws to make it more difficult for a woman to get an abortion, while another 40% prefer no change be made to existing laws and 15% favor laws to make it easier. (WSJ 5/4/06)