Each of the fifty states of America is represented by two Senators, regardless of size or population. Elected every six years on a first-past-the-post system (one third of the Senate stands for election every two years) there are 100 members in total.
The next election will be held on 6 November 2018 when 33 seats will be contested
Senate Mid-term Election 2018
|Republicans Over 50 Seats||2/7|
|Republicans Under 50 Seats||5/1|
|Republicans Exactly 50 Seats||6/1|