How many U.S. Senators are there?

The United States Senate is made up of 100 Senators. This structure is established in the Constitution, which mandates that each state is represented by two Senators, regardless of its population size. Since there are 50 states in the U.S., this results in a total of 100 Senators. This design is intended to ensure equal representation of each state in the legislative process, balancing the influence of larger states with those that are smaller in population. The other options provided do not reflect the correct total, as 50 would represent the number of states, while 150 and 200 are simply incorrect figures in the context of the Senate's composition.