There are 100 senators in Congress. Two senators for each state in the United States of America. So there are 50 states, each has two senators, so in there are 100 senators all together in Congress in the United States.
The United States Congress includes two separate legislative bodies, the House of Representatives and the Senate. The Senate is comprised of two senators from each of the 50 states. The senators are elected by the people in the state that they represent.
It varies. In the United States Senate, there are fifty United States Senators seated, two from each of the fifty States in the Union. In the Maryland Senate, there are 47 State Senators. In The New York Senate, there are 62 State Senators.