Democrats gain control of the Senate inof our simulations. Therefore, we say Democrats have a 13.4 percent chance of gaining control of the Senate. The 2016 Senate consists of 54 Republicans and 46 Democrats. If four Republican Senate seats flip to Democrats and there are no other changes, the 2017 Senate will be split 50-50. Likely Winner Democrat Toss-Up Republican

Source: Huffington Post September 12, 2016 19:07 UTC