Contributions to 527s are not included in the Individuals, PACs, Soft (Indivs), or Soft (Orgs) columns, so the sum of these columns may not equal the Total column.

The numbers on this page are based on contributions of $200 or more from PACs and individuals to federal candidates and from PAC, individual and soft money donors to political parties, as reported to the Federal Election Commission. While election cycles are shown in charts as 1996, 1998, 2000 etc. they actually represent two-year periods. For example, the 2002 election cycle runs from January 1, 2001 to December 2002 .

Soft money contributions were not publicly disclosed until the 1991-92 election cycle. Soft money donations to parties were banned after the 2002 cycle.

Data for the current election cycle was released by the Federal Election Commission on September 21, 2020 .