The 2016 Democratic primary has brought to light the divide between the party's leadership and a large segment of its constituency, the very liberal, anti-status-quo voters who have come out in record numbers in support of Bernie Sanders. At the center of Sanders' message is the argument that perhaps resonates best with the left of the left: the influence of big money, especially big banks, needs to be checked.

If Hillary Clinton hopes to win in November, she will need to appeal to young, liberal voters who support Sanders' message. This will likely inform her choice for Vice President, with many analysts pointing to Elizabeth Warren as a likely pick. Warren has sent a very similar message to that of Sanders. She has been one of the toughest opponents of Wall Street's political influence and anti-regulation lobby in Congress, most prominently spearheading the establishment of the Consumer Financial Protection Bureau, an independent agency with regulatory power over financial institutions.

Because of their similar stances, Sanders and Warren appeal to the same audience. A core group of Democratic donors, 52,667 to be precise, have supported both Sanders and Warren in the past, likely due at least in part to their opposition of Wall Street's influence in politics. They represent a key constituency that Clinton needs to turn out in November. But who are they? Here's a breakdown by sector.

Educators - professors, students and university staff - make up the largest group of Sanders/Warren supporters, followed by federal and state government workers, and the technology sector. So if Hillary Clinton intends to win over this constituency and consolidate support across the Democratic base, the strategy seems clear: keep the funding for public schools coming, continue to promote universal pre-k, and keep those H1Bs rolling in.

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