30 number of states, plus Washington, D.C., where same-sex marriage is legal

15 states where same-sex marriage is still illegal

5 states where legalization of same-sex marriage is pending

Support for marriage equality

55 percent of people surveyed in a Gallup poll who support marriage equality

77 percent of people under 30 (ABC/Washington Post poll)

40 percent of Republicans (ABC/Washington Post)

62 percent of Catholics (New York Times poll)

Opposition to marriage equality

$1.5 million amount spent in 2012 by conservative groups to pass Amendment One in North Carolina