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The U.S. Electoral Process: Campaign Finance

Campaign Finance
The nonpartisan, nonprofit National Institute on Money in Politics (NIMP) promotes an accountable democracy by compiling comprehensive campaign-donor, lobbyist, and other information from government disclosure agencies nationwide and making it freely available.

Campaign Finance Institute
This non-partisan organization studies campaign finance, issues reports, and makes recommendations.   Provides data on campaign finances and information on state and federal laws.

Map Light
Combines contributions, how members of Congress voted, and interest group and company support of bills into one database.
The Center for Responsive Politics provides detailed financial profiles of senators and representatives in Congress, showing exactly which industries and interest groups contributed to their campaigns.

Online Political Ad Spending
Provides a snapshot of just how much political forces are spending online by pulling data from Facebook and Google. Each advertiser has its own profile that details its spending on each platform over time, and how much the advertiser is spending to target Facebook users in each state.