US midterm election results First: US House of Representatives Democrats lead Republicans by 89 seats.
Total seats: 435.
Majority required: 218 (more than half of the seats). Second: In the US Senate, the Democrats lead the Republicans by 10 seats.
Total seats: 100.
Majority required: 51 (more than half of the seats). To clarify: majority means that the party has more than half of the seats in the chamber, which gives it control of the chamber and a greater ability to make its decisions.