WATCH: Prime Minister Wants to Bring Marriage Equality to Australia In 100 Days

Australian prime minister Kevin Rudd reinforced his support for marriage equality Saturday at a debate against his challenger, opposition leader Tony Abbott.

"One: I support marriage equality," said the prime minister, responding to moderator David Speers's question about whether each candidate would move to legislate marriage equality in Australia if elected to the nation's top political position. "And the reason I do has been well canvassed in the national debate, and why I've changed my position."

"My commitment to you is that in the first 100 days of a reelected government, a bill would come forth ... to legalize marriage equality," promised the Labor leader, who first came out with his support for marriage equality in May. "We would, on our side, of course, allow a full conscience vote."

Watch the question and both candidates' responses below, via Australia's ABC News.