For how many years do we elect a U.S. Senator?

U.S. Senators are elected for a term of 6 years. This term length is established by the U.S. Constitution, specifically in Article I, Section 3. Each state has two Senators, regardless of its population, and they serve staggered terms so that approximately one-third of the Senate is up for reelection every two years. This structure helps to ensure continuity within the Senate while also allowing the electorate to have regular opportunities to express their preferences through elections. The 6-year term is crucial for Senators to undertake the responsibilities of their office, such as legislating, overseeing the executive branch, and representing their states, without having to face elections too frequently.