Lobbyists and Members of Congress

 
Lobbying at the US Capitol1.
In 2017, there were 535 US senators and representatives and 11,542 lobbyists registered to influence them.
In other words, there were 21.5 lobbyists for each lawmaker in 2017, and these lobbyists spent $6,219,065 per lawmaker (not evenly distributed).
 
NOTE:
9-7-18
OpenSecrets.org
Lobbying Database
https://www.opensecrets.org/lobby/index.php