Who Are The Biggest Lobbyists 2024 Polls. Businesses are by far and away the biggest spenders on lobbying, with 3.5 billion u.s. This flood of money puts the year on track to set a new nominal.

See lobbying totals by lobbyists industries/interest groups for every election cycle from 1998 to 2024, along with top lobbying clients in 2024. Updating average for each candidate in 2024 presidential polls, accounting for each poll’s recency, sample size, methodology and house effects.