The Democrats need a net gain of 15 seats out of 435 to recapture the House, and six, out of 33 contested, to take the S民主党需要净赚众议院435个席位中的15席才能夺回众议院的控制权,如果想控制参议院,则需要比共和党多得改选的33个席位中的6席。