Some 2,700 same-sex couples have tied the knot in Argentina since same-sex marriage became legal a year ago.
According to the Argentina LGBT Federation (FALGBT), that amounts to about 1 percent of the nation's gay/lesbian population.
Male couples have outnumbered female couples by about 20 percent.
"A year after the approval of the law, around 3,000 couples have married across the nation without incident, which shattered the fallacious argument, put forth by sectors that opposed the law, concerning problems, disorders and complications," said FALGBT President Esteban Paulón.
"The national dimension of the marriages speaks also of the profound reparation that this law has brought for a historically excluded and discriminated-against group," he said. "Our families today have the same rights, and we are exercising them."
Meanwhile, a same-sex-marriage bill is set for consideration in the parliament of next-door Uruguay, the South American nation that, in many ways, is most similar to Argentina.
Same-sex marriage also is legal in 11 other countries -- Belgium, Canada, Iceland, the Netherlands, Norway, Portugal, South Africa, Spain, Sweden, Mexico (where same-sex marriages are allowed only in the capital city but are recognized nationwide) and the United States, where same-sex marriage is legal in Connecticut, Iowa, Massachusetts, New Hampshire, New York, Vermont and Washington, D.C.
In addition, same-sex marriages from elsewhere are recognized as marriages in the U.S. states of Maryland, New Mexico, Rhode Island and California (if the marriage took place before Proposition 8 passed).