There are, in total, 29 U.S. Senators and Representatives who changed their positions regarding same-sex marriage since it was first voted on in 1996. Of those 29 politicians who no longer support DOMA, 24 signed an anti-DOMA amicus brief earlier this year. Still in office are 43 members of Congress who supported DOMA and continue to do so, as well as 31 politicians who always opposed the measure.
Voted for DOMA, Signed Anti-DOMA Brief
24 of the Representatives also supported an amicus brief that aimed to repeal DOMA. This includes 23 Democrats and one lone Republican from Florida—now a prominent gay rights and transgender advocate.
Senator Patrick Leahy, Democrat, Vermont
Senator Chuck Schumer, Democrat, New York
Voted for DOMA, Subsequently Supported Same-Sex Marriage
Four Senators and one Representatives have since changed their positions regarding gay marriage since voting to support DOMA in 1996.