Use this interactive to track campaign spending by interest groups and political parties in the 2010 midterm elections. Interest group spending increased dramatically in 2010 following a series of Supreme Court rulings on campaign finance, including the landmark Citizens United v. Federal Election Commission.
|Group||Week before election||Two weeks before election||Three weeks before election||2010 Total||Partisanship|
|Democratic Congressional Campaign Committee||$24,398,376||$15,462,539||$9,726,970||$63,244,600|| |
|National Republican Congressional Committee||$1,686,074||$10,246,133||$11,945,387||$44,525,486|| |
|Democratic Senatorial Campaign Committee||$9,782,093||$7,595,991||$5,191,754||$39,412,938|| |
|American Crossroads||$8,416,112||$8,694,259||$7,278,516||$38,114,259|| |
|U.S. Chamber of Commerce||$272,000||$10,499,006||$1,067,266||$31,774,779|| |
|National Republican Senatorial Committee||$10,903,145||$6,405,441||$3,599,719||$25,830,910|| |
|American Action Network||$2,110,750||$3,564,500||$8,616,182||$15,456,618|| |
|American Federation of State County and Municipal Employees||$1,796,103||$2,404,736||$350,928||$11,688,922|| |
|Service Employees International Union||$383,982||$1,033,159||$1,706,012||$9,478,942|| |
|American Future Fund||$356,285||$173,795||$461,885||$9,247,920|| |
|Race, incumbent||Week before election||Two weeks before election||Three weeks before election||Total||Partisanship|
|Colo. Sen. Michael F Bennet, D||$5,964,300||$7,566,269||$4,878,765||$33,435,827|| |
|Pa. Sen. OPEN, Arlen Specter, D||$7,009,393||$6,484,877||$3,576,575||$25,006,890|| |
|Wash. Sen. Patty Murray, D||$4,877,437||$6,749,887||$2,502,141||$18,557,727|| |
|Ill. Sen. OPEN, Roland Burris, D||$5,598,075||$4,805,430||$2,712,369||$18,059,569|| |
|Nev. Sen. Harry Reid, D||$3,336,666||$4,786,748||$1,822,714||$16,849,010|| |
|Mo. Sen. OPEN, Christopher Kit Bond, R||$425,366||$1,641,622||$2,109,775||$12,392,244|| |
|Calif. Sen. Barbara Boxer, D||$3,942,549||$2,595,559||$242,244||$11,779,256|| |
|Ark. Sen. Blanche Lincoln, D||$73,697||$91,118||$61,214||$11,749,014|| |
|W.Va. Sen. OPEN, Carte Goodwin, D||$2,446,084||$2,791,182||$1,913,011||$10,346,409|| |
|Ky. Sen. OPEN, Jim Bunning, R||$1,727,581||$2,691,439||$1,247,861||$8,639,509|| |
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