Hillary Clinton has raced out to a commanding eight point lead over Donald Trump in the latest 2016 presidential poll pitting the two presumptive nominees head to head.

A new NBC/Survey Monkey Weekly poll taken during the week of June 20 to June 26 now finds Clinton leading Trump 49 to 41 percent among registered voters, up two points over the six point advantage she held just a week earlier.

Clinton's latest lead over Trump remains at six percent when Libertarian candidate Gary Johnson and Green Party candidate Jill stein are added to the mix.

Republican Voters Standing Behind Trump

Despite his overall downward spiral, Trump still appears to be running strong among GOP voters. Two out of every three voters who identify as Republican or leaning that way insist that delegates should officially brand him as the face of the party at next month's national convention in Cleveland.

Meanwhile, seemingly bolstered by democratic rival Bernie Sanders' public admission that he more than likely will vote for her, Clinton has jumped to an 8-point lead over Trump among 18-24 years-olds. Overall, she now registers 68 percent support among younger voters, up from 56 percent last week.

Clinton Picking off Sanders' Voters?

Throughout his campaign, Sanders' strongest base has been among young, millennial voters, all of whom are now considered a key demographic for Clinton.

Clinton also shows signs of making inroads with white voters, cutting Trump's one-time 12-point lead among that demographic to just eight points at 49 percent to 41 percent.

Pollsters added the next couple weeks figure to be critical junctures for both candidates and their campaigns, as they make preparations for their respective conventions and publicly reveal who they have chosen as vice presidential running mates.

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