Election estimates based on public opinion polls showing Democrats leading Republicans on the eve of the midterm elections for the US Congress Real Clear Politics platform estimates give the Democrats 47 seats in the Senate to the Republicans' 45, with 8 seats remaining. In the House of Representatives, estimates classify 227 seats in favor of the Democrats, compared to 180 for the Republicans, while 28 districts remain in close competition. A decision on control of both chambers will depend on the results of swing states and districts in Tuesday's vote.

Election estimates based on public opinion polls showing Democrats leading Republicans on the eve of the midterm elections for the US Congress Real Clear Politics platform estimates give the Democrats 47 seats in the Senate to the Republicans' 45, with 8 seats remaining. In the House of Representatives, estimates classify 227 seats in favor of the Democrats, compared to 180 for the Republicans, while 28 districts remain in close competition. A decision on control of both chambers will depend on the results of swing states and districts in Tuesday's vote.