Long Overlooked, Case That Laid Foundation For Citizens United Marks Tenth Anniversary

April 28, 2017 - Argued 10 years ago this week, the Supreme Court's decision in Federal Election Commission vs. Wisconsin Right to Life opened the floodgates for more money in politics by letting corporations pay for  “electioneering communications,” advertisements aired within 60 days of an election that mention candidates by name.

Boosted by $30 Million During Campaign, Trump Will Thank NRA By Speaking at Convention

April 27, 2017 -- Donald Trump, who was buoyed as a candidate by $30 million from the gun lobby, will become the first president in more than three decades to address the annual convention of the National Rifle Association.

Corporate Lobbyists Deliver Big Cash To House Democrats

April 17, 2017 -- Corporate lobbyists are taking on a larger role in the Democratic Party’s fundraising efforts as it seeks to regain control of Congress.

About Our Data


Read the details about our data sources and methodology. Contributions data provided by the National Institute on Money in State Politics.

MapLight California reveals campaign contributions to state-level candidates, ballot measures, and recipient committees as well as independent expenditures affecting state-level candidates and ballot measures. This data can be quickly and easily browsed using MapLight's California Power Search, a contributions search tool developed in partnership with the California Secretary of State, or Maplight's California Independent Expenditures Search. Both tools utilize the California Secretary of State's raw bulk data download, displaying contributions and independent expenditures from 2001 through the present.

Our site also includes contributions made to Assemblymembers and Senators in the California State Legislature between Jan. 1, 2003 and Dec. 31, 2012 to legislators who have served in the 2009-2010, 2011-2012, 2013-2014, and 2015-2016 sessions. This data is obtained from the National Institute on Money in State Politics (NIMSP). Using this data, we show how much interest groups like gas and electric utilities and attorneys and law firms contribute to your representatives in Sacramento. More details...