Joe Biden receives 33% support in a new nationwide Monmouth University poll of registered Democrats. It's a gain of 6% from Monmouth's last survey in late April. The former Vice President's lead jumped to 18 points over Bernie Sanders, who lost five points. Aside from Biden, Sens. Elizabeth Warren and Kamala Harris moved into double-digits; they were the biggest gainers after Biden.

Overall, the results of this poll were in line with the 270toWin nationwide average. Click the image below for more information.

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