Across all contested Democratic primary elections, candidates raised $5.1 million. Incumbents raised an average of $130,266 per candidate and challengers raised an average of $24,224 per candidate.

Campaign finance requirements govern how much money candidates may receive from individuals and organizations, how often they must report those contributions, and how much individuals, organizations, and political entities may contribute to campaigns.

When it comes to the money in Pennsylvania politics, these are the names that you are viewing the most so far this year. See the top five entities in each category (Candidates, Donors, PACs, and Payees) that are generating the greatest interest in Q1 of 2021.