Sen. Mark BegichMark BegichThe future of the Arctic 2016’s battle for the Senate: A shifting map Trump campaign left out of Alaska voter guide MORE (D-Alaska) late Monday night added his voice to the growing chorus of Democratic senators announcing support for gay marriage ahead of Tuesday's hearing at the Supreme Court.

ADVERTISEMENT
"I believe that same-sex couples should be able to marry and should have the same rights, privileges and responsibilities as any other married couple," the Alaskan senator said in a statement obtained by Buzzfeed.

"Government should keep out of individuals' personal lives—if someone wants to marry someone they love, they should be able to. Alaskans are fed up with government intrusion into our private lives, our daily business, and in the way we manage our resources and economy," he continued.

The statement precedes oral arguments at the Supreme Court on Tuesday and Wednesday on a pair of cases examining states' and the federal government's ability to define marriage as a union between a man and a woman.

On Monday, Sens. Mark WarnerMark WarnerComey meets Intel senators amid uproar over Trump-Russia ties Senate advances Trump's Commerce pick Schumer warns of possible cover-up by Trump administration MORE (D-Va.) and Claire McCaskillClaire McCaskillDem senator: I may face 2018 primary from Tea Party-esque progressives Dems ask for hearings on Russian attempts to attack election infrastructure House bill would prevent Trump from lifting Russian sanctions MORE (D-Mo.) also announced their support for gay marriage; last week, Republican Sen. Rob PortmanRob PortmanRyan tries to save tax plan Rift in GOP threatens ObamaCare repeal Overnight Tech: GOP split on net neutrality strategy | Trump's phone worries Dems | Bill in the works on self-driving cars MORE (Ohio) and former Secretary of State Hillary ClintonHillary Rodham ClintonHow dealmaker Trump can resolve the Israeli-Palestinian conflict Chelsea Clinton mocks Trump over Sweden incident comments Conway criticized by president of alma mater MORE similarly announced shifts on the subject.

ADVERTISEMENT
The flood of lawmakers now backing same-sex marriage is partially an indication of shifting national attitudes. A Washington Post / ABC News poll released last week showed that 58 percent of Americans backed gay marriage, an all-time high.