There is currently no term limit for U.S. Senators or Representatives.
No Limit
Senators face reelection every six years. However, not all senators are up for reelection in the same year. Only one-third of the Senate (or approximately one-third) faces reelection in any given midterm election.
A senators term can be up to 69 yrs and 6/9 of the Senate is up for reelection
Mitch McConnell is up for reelection in 2026. He was re-elected to the Senate in 2020, and Senate terms last six years. As the current Senate Minority Leader, he has been a prominent figure in the Republican Party.
Every six yrs
Senators are elected every 6 years; however the US Constitution staggered the first Senate terms so that 1/3 of the Senate would come up for reelection at a time rather than have the entire Senate come up for reelection at the same time.
Diane Feinstein was not up for reelection in 2010. She was elected to the U.S. Senate in 1992 and her term ended in January 2013. However, she did run for reelection in 2012 and won.
Senators are elected for one six year terms. After their six years are up, they can run for reelection again. Unlike the President, there is no term limit for a Senator.
No, Mitch McConnell was not up for reelection in 2012. He was elected to the U.S. Senate in 2008 and his term was set to expire in January 2015. McConnell did run for reelection in 2014, which he won.
senate seats are never up for reelection at the same time
Every two years, one-third of the Senate goes up for reelection.
The Senate terms are 6 years, but no limit on the number of a times a person can be elected to the Senate.