Explore Our Data

New!
Top contributions from major donors to congressional politicians.
Bills paired with contributions, positions taken by special interests, and vote results.
Profiles of elected officials with campaign finance statistics.
See how much money companies and interest groups spend trying to influence lawmakers.
Use MapLight's data for your own research or software project.

Research Assistance

MapLight has a team of researchers who can help answer questions related to money in national and California politics.

Contact us for assistance.