According to the Center for Responsive Politics, Braley led all Iowa Congressional candidates in out-of-state contributions, receiving about 3.5 times the amount of donations from out-of-state contributions as he has from in-state; a Republican activist and Braley's political opponent both filed House ethics complaints against Braley as a result, but the charges were found to be without merit. Braley raised an approximate total of $2.46 million for his re-election campaign, The sectors following two and three behind the lawyers and lobbyists were labor groups, and health groups, raising approximately $223,000 and $157,000 respectively. Braley spent approximately $2.11 million of what he raised being spent during the course of the campaign.