Proposition 8, known informally as Prop 8, was a California ballot proposition and a state constitutional amendment intended to ban same-sex marriage; it passed in the November 2008 California state elections and was later … See more

In 2005, the site ProtectMarriage.com was created as the "Official website for the California Constitutional Marriage Amendment" and … See more

Various opinion polls were conducted to estimate the outcome of the proposition. Those margins with differences less than their margins of error are marked as "n.s.", meaning not … See more

Immediate response
In California, a constitutional amendment passed by the electorate takes effect the day after the election. On the evening of November 4 the … See more

In 2000, the State of California adopted Proposition 22 which, as an ordinary statute, forbade recognition or licensing of same-sex marriages in the state. During February and … See more

Campaign funding and spending
The pro- and anti-Prop 8 campaigns spent a combined $106 million on the campaign. This was not the most expensive California ballot proposition that year, however; the 2008 campaigns for and against Propositions 94, 95, … See more

Amending the California Constitution by voter initiative requires a simple majority to be enacted.
Edison/Mitofsky conducted an exit poll on behalf of the National Election Pool which is the only source of data on voter demographics in … See more