"The Senators and Representatives shall receive a Compensation for their Services, to be ascertained by Law, and paid out of the Treasury of the United States." -- U.S. Constitution, Article 1, Section 6
From 1789 to 1855, members of Congress received only a per diem (daily payment) of $6.00 to $7.00 while in session, except for a period from December 1815 to March 1817, when they received $1,500 a year. Members began receiving a regular annual salary in 1855, when they were paid $3,000 per year.
During the Constitutional Convention, Benjamin Franklin proposed that elected government officials not be paid for their service. Franklin’s proposal won little support. As you might guess, an automatic raise for Congress annually is coming as millions of American workers are giving up their cost-of-living raises in an effort to save their jobs...