<Table> United States Senate elections, 2016 <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← 2014 </Td> <Td> November 8, 2016 </Td> <Td> 2018 → </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> Class 3 (34 of the 100) seats in the United States Senate 51 seats needed for a majority </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> </Th> <Th> Majority party </Th> <Th> Minority party </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Leader </Th> <Td> Mitch McConnell </Td> <Td> Harry Reid (retiring) </Td> </Tr> <Tr> <Th> Party </Th> <Td> Republican </Td> <Td> Democratic </Td> </Tr> <Tr> <Th> Leader's seat </Th> <Td> Kentucky </Td> <Td> Nevada </Td> </Tr> <Tr> <Th> Seats before </Th> <Td> 54 </Td> <Td> 44 </Td> </Tr> <Tr> <Th> Seats after </Th> <Td> 52 </Td> <Td> 46 </Td> </Tr> <Tr> <Th> Seat change </Th> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Popular vote </Th> <Td> 40,402,790 </Td> <Td> 51,496,682 </Td> </Tr> <Tr> <Th> Percentage </Th> <Td> 42.4% </Td> <Td> 53.8% </Td> </Tr> <Tr> <Th> Swing </Th> <Td> 9.3% </Td> <Td> 10.0% </Td> </Tr> <Tr> <Th> Seats up </Th> <Td> 24 </Td> <Td> 10 </Td> </Tr> <Tr> <Th> Races won </Th> <Td> 22 </Td> <Td> 12 </Td> </Tr> <Tr> <Td_colspan="4"> </Td> </Tr> <Tr> <Th> </Th> <Th> Third party </Th> <Th> </Th> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Party </Th> <Td> Independent </Td> <Td> </Td> </Tr> <Tr> <Th> Seats before </Th> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Seats after </Th> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Seat change </Th> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Popular vote </Th> <Td> 562,935 </Td> <Td> </Td> </Tr> <Tr> <Th> Percentage </Th> <Td> 0.5% </Td> <Td> </Td> </Tr> <Tr> <Th> Seats up </Th> <Td> 0 </Td> <Td> </Td> </Tr> <Tr> <Th> Races won </Th> <Td> 0 </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> Democratic gains Democratic holds Republican holds <Ol> <Li> ^ Jump up to: Both Independents caucus with the Democrats . </Li> </Ol> </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> Majority Leader before election <P> Mitch McConnell Republican </P> </Td> <Td> Elected Majority Leader <P> Mitch McConnell Republican </P> </Td> </Tr> </Table> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> ← 2014 </Td> <Td> November 8, 2016 </Td> <Td> 2018 → </Td> </Tr> </Table> </Td> </Tr>

How many republicans and how many democrats are in the senate