The record number of openly gay Olympic athletes has boosted the acceptance of Brazil's lesbian, gay, bisexual and transgender (LGBT) community amid a backlash over same-sex marriages, homosexuals said.

With the largest total of openly gay athletes participating, 49 according to Outsports magazine in July and double the number of London in 2012, Rio 2016 has seen the first married gay couple competing and a lesbian marriage proposal at a medal ceremony.

Brazil's courts have recognized civil unions between homosexuals but its Congress has opposed the legalization of same-sex marriages.