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6 sourced facts about lobbying, each with the context behind the number. 4 more are in today's round and appear here after it closes.

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The basics

After leaving office, how long are former U.S. senators barred from lobbying the Senate?

Answer2 years

The rule comes from Senate Rule 37, alongside separate federal post-employment restrictions.

Source: U.S. Senate Select Committee on Ethics ethics.senate.gov

Going deeper

How long is the Senate lobbying ban for senior Senate staff who become registered lobbyists?

Answer1 year

Senior staff are those paid at least 75% of a senator's salary for at least 60 days in the prior year.

Source: U.S. Senate Select Committee on Ethics ethics.senate.gov

Expert level

Roughly how much has been spent on federal lobbying in total since 2015?

AnswerNearly $37 billion

2024's total was about $1.2 billion above the average of the previous decade.

Source: Washington Examiner, citing OpenSecrets data (2024) washingtonexaminer.com

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