National nonpartisan, nonprofit organization dedicated to accurate, comprehensive and unbiased documentation and research on campaign finance at the state level.

A guide to how money is contributed and spent in U.S. elections. You can find out how much money has been contributed to politicians by individuals, PACs and SuperPACs.

Contributions and financial reports of presidential and House and Senate candidate, political parties and PACs.

Comprehensive, detailed online campaign disclosure information on all Illinois state and local races.