This week, Australians overwhelmingly voted in favor of changing the law to allow same-sex marriage.

Despite Australia’s role as host of one of the world’s largest LGBTQI pride parades, Sydney’s Gay and Lesbian Mardis Gras, it has lagged behind other Western countries on LGBTQI rights, including same-sex marriage.

While campaigning for LGBTQI rights has been an uphill battle in Australia and also the US, in 2015 same-sex marriage was legalized by the US Supreme Court in a landmark 5-4 decision.

And now, more than two years later, Australia’s federal government has pledged to pass legislation before the end of 2017.

Here's how Australia's march toward legalizing same-sex marriage compares to the US:


The US began moving toward legalizing same-sex marriage in the 1970s, when the first lawsuits seeking legal recognition of same-sex relationships first emerged.

Foto: A woman wears a t-shirt honoring the gay rights movement outside the Stonewall Inn on June 24, 2016 in New York City. source Drew Angerer/Getty Images

These lawsuits pushed the idea of legally recognizing same-sex relationships into the public and started the discussions on same-sex marriage.

Source: The New York Times


A 1993 lawsuit in Hawaii evoked the US Constitution to argue against a same-sex marriage ban.

Foto: Gerald Brennan, an Army veteran who served from 1964-66, waves a rainbow flag symbolizing gay rights while marching in National Independence Day Parade, Sunday, July 4, 1993. source erald Brennan, an Army veteran who served from 1964-66, waves a rainbow flag symbolizing gay rights while marching in National Independence Day Parade, Sunday, July 4, 1993, Washington, D.C. The National

In 1993, a lawsuit in Hawaii claimed that banning same-sex marriage violated the state's constitution. The case, which made it to the US Supreme Court but was dismissed in 1999, set the tone for discussions on same-sex marriage in the new millennium.

Source: University of California, Berkeley


As the movement gained steam, the Defense of Marriage Act (DOMA) was enacted in 1996.

Foto: Candace Gingrich, right, sister of House Speaker Newt Gingrich of Georgia, chants during a gay rights rally in San Diego, Monday, Aug. 12, 1996. The Defense of Marriage Act was passed in September that year. source AP Photo/Lacy Atkins

DOMA federally defined marriage as a union between a man and a woman, however the bill did not prevent individual states from recognizing same-sex marriages.

Source: GovTrack


In 2003, Massachusetts was the first US state to legalize same-sex marriage.

Foto: A couple celebrate after their wedding in Massachusetts in 2003. source AP Photo/Jeff Chiu

Between 2003 and 2015, state-level decisions legalized same-sex marriage in 38 out of 50 US states and increased momentum towards federal legalization.

Source: Georgetown Law Library


In 2013, the Supreme Court overturned a key provision of DOMA.

Foto: Protesters gather in front at the White House to rally for marriage equality in 2013. source AP Photo/Mel Evans

The Supreme Court decided Section 3 of DOMA, that had defined marriage as a "legal union between one man and one woman," was unconstitutional because it singled out a "class of persons" for discrimination.

Source: Business Insider


In 2015, after many years of progress, the US Supreme Court ruled in favor of same-sex marriage.

Foto: The White House lit up with the colors of the pride flag after ruling in favor of same-sex marriage, 2015. source AP Photo/Pablo Martinez Monsivais

Justice Anthony Kennedy issued the 5-4 ruling that found the Fourteenth Amendment - which guarantees "equal protection under the law" - requires states to license same-sex marriages.

Source: Business Insider


The Marriage Act in 1961, which is still in place, was created to regulate marriage law in Australia.

Foto: A couple exchange wedding vows in front of the Sydney Opera House, with the Sydney Harbor Bridge in the background on Feb. 16, 2007. source AP Photo/Betty Adams

It requires marriage celebrants at weddings to explain the legal nature of a marriage as "a union of a man and a woman to the exclusion of all others."

Source: Australian Government


Before the 1970s, Australia had strict laws prohibiting homosexual activity.

Foto: A couple kiss after taking saying their vows during a ceremony at Old Parliament House in Canberra, Australia, Dec. 7, 2013. source AP Photo/Rob Griffith

But between 1975 and 1997, Australian states repealed laws prohibiting same-sex relationships and support for LGBTQI rights began to flourish.

Source: University of Minnesota Human Rights Library


In 2003, states and territories began granting domestic-partnership benefits to same-sex couples, including rights for guardianship, adoption, and the ability to have legally recognized "same-sex unions."

Foto: Sydney couple, Faycal Dow, aged 38, daughter Myla Dow, aged 2 months, and Hunter Dow, aged 44, pose during a portrait session on May 30, 2015 in Sydney, Australia. source Photo by Don Arnold/Getty Images

This marked a huge turning point for LGBTQI rights in Australia, and recognized same-sex couples under the law. But since 2004, 22 bills have been introduced to deal with same-sex marriage, and all four that came to a vote were defeated.

Source: Parliament of Australia


In 2013, the Australian Capital Territory (ACT) legalized same-sex marriage territory-wide.

Foto: Same sex couple Stacey Cowan, right, and Corrina Peck pose for photos after taking their wedding vows at Old Parliament House in Canberra, Australia, Dec. 7, 2013. source AP Photo/Rob Griffith

This was the first time a state defied federal law regarding same-sex marriage. However the Australian High Court ruled the law was unconstitutional less than a week later and marriages held under the statute were annulled.

Source: ABC News (Australia)


In 2017, the Australian government announced it would organize a national vote on same-sex marriage.

Foto: Marriage equality advocates start their campaign to rally the public after the High Court delivered their in favour of having a same sex marriage postal vote on September 7, 2017 in Melbourne, Australia. source Michael Dodge/Getty Images

The vote, which was a non-compulsory, non-binding postal survey, simply asked: "Should the law be changed to allow same-sex couples to marry?"

Source: Business Insider Australia


61.6% of Australians voted 'yes.'

Foto: People in the crowd celebrate as the result is announced during the Official Melbourne Postal Survey Result Announcement at the State Library of Victoria on November 15, 2017 in Melbourne, Australia. source Scott Barbour/Getty Images

While the survey was not mandatory, nearly 80% of eligible Australian voters mailed in their votes. A vast majority, roughly 61.6% of Australians surveyed, voted in favor of same-sex marriage.

While the public's resounding 'yes' vote isn't legally binding, the government is set to bring forth legislation this week that will begin steps to federally allow same-sex marriage.

Source: Business Insider Australia