There are no term limits for senators.
As many times as they wish
Three times
no limit
456 because there congress
as many as they can as long as the people want them
There is no limit to the number of times a representative can be elected to Congress.
There is no term limit for serving in the U.S. Senate.
every 4 or 2 years
how many times may a senator be reelected from pennsylvania?
Six years, but he may be reelected.
As many times as they are re-elected. The people decide when they should no longer serve, but until then, as long as they want to. There is no limit.
There is no limit to the number of terms a member of Congress may serve. As of December 13, 2013, Representative John Dingell of Michigan had the longest service of any member of Congress, 58 years, having been elected 29 consecutive times.