Presumptive Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE widened her lead to 5 points over Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE in a national poll released Sunday morning.

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Clinton now leads Donald Trump among registered voters, 46 to 41 percent, in the new NBC News/Wall Street Journal poll.

In May, Clinton led the presumptive GOP presidential nominee, 46 to 43 percent.

The race for the White House is much closer when pollsters expand the race to four candidates. Clinton has a 1-point lead in that scenario, with 39 percent. Trump has 38 percent, Libertarian Party nominee Gary Johnson Gary Earl JohnsonWhat the numbers say about Trump's chances at reelection Presidential race tightens in Minnesota as Trump plows resources into state The Hill's Campaign Report: Biden condemns violence, blames Trump for fomenting it l Bitter Mass. primaries reach the end l Super PAC spending set to explode MORE has 10 percent and the Green Party’s Jill Stein has 6 percent.

Pollsters also found Clinton has the edge over Trump among African-Americans, Latinos, young voters and women, while he leads among whites, men and independents. Clinton also enjoys the support of 85 percent of Democrats, while 79 percent of Republicans back Trump.

The new NBC News/Wall Street Journal poll of 1,000 registered voters, conducted June 19–23, has a margin of error of 3.1 percentage points.

Clinton's support over Trump is significantly higher, however, in an ABC News/Washington Post poll also released early Sunday. That poll shows Clinton with a 12-point lead over Trump.

— UPDATE (1:02 p.m.): A previous version of this report said Clinton's support had ticked up 2 points in the past month. Her support has remained steady while Trump's has fallen 2 points.