<Table> <Tr> <Th colspan="2"> United States Senate </Th> </Tr> <Tr> <Td colspan="2"> 115th United States Congress </Td> </Tr> <Tr> <Td colspan="2"> Seal of the U.S. Senate </Td> </Tr> <Tr> <Td colspan="2"> Flag of the U.S. Senate </Td> </Tr> <Tr> <Th colspan="2"> Type </Th> </Tr> <Tr> <Th> Type </Th> <Td> Upper house of the United States Congress </Td> </Tr> <Tr> <Th> Term limits </Th> <Td> None </Td> </Tr> <Tr> <Th colspan="2"> History </Th> </Tr> <Tr> <Th> New session started </Th> <Td> January 3 , 2017 ( 2017 - 01 - 03 ) </Td> </Tr> <Tr> <Th colspan="2"> Leadership </Th> </Tr> <Tr> <Th> President of the Senate </Th> <Td> Mike Pence ( R ) Since January 20 , 2017 </Td> </Tr> <Tr> <Th> President pro tempore </Th> <Td> Orrin Hatch ( R ) Since January 6 , 2015 </Td> </Tr> <Tr> <Th> Majority Leader </Th> <Td> Mitch McConnell ( R ) Since January 3 , 2015 </Td> </Tr> <Tr> <Th> Minority Leader </Th> <Td> Chuck Schumer ( D ) Since January 3 , 2017 </Td> </Tr> <Tr> <Th> Majority Whip </Th> <Td> John Cornyn ( R ) Since January 3 , 2015 </Td> </Tr> <Tr> <Th> Minority Whip </Th> <Td> Dick Durbin ( D ) Since January 3 , 2015 </Td> </Tr> <Tr> <Th colspan="2"> Structure </Th> </Tr> <Tr> <Th> Seats </Th> <Td> 100 </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Political groups </Th> <Td> <P> Majority ( 51 ) </P> <Ul> <Li> Republican ( 51 ) </Li> </Ul> <P> Minority ( 49 ) </P> <Ul> <Li> Democratic ( 47 ) </Li> <Li> Independents ( 2 ) caucusing with the Democrats </Li> </Ul> </Td> </Tr> <Tr> <Th> Length of term </Th> <Td> 6 years </Td> </Tr> <Tr> <Th colspan="2"> Elections </Th> </Tr> <Tr> <Th> Voting system </Th> <Td> First - past - the - post ; nonpartisan blanket primary with a majoritarian second round in 3 states . </Td> </Tr> <Tr> <Th> Last election </Th> <Td> November 8 , 2016 ( 34 seats ) </Td> </Tr> <Tr> <Th> Next election </Th> <Td> November 6 , 2018 ( 33 seats ) </Td> </Tr> <Tr> <Th colspan="2"> Meeting place </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Td colspan="2"> Senate chamber United States Capitol Washington , D.C. , United States </Td> </Tr> <Tr> <Th colspan="2"> Website </Th> </Tr> <Tr> <Td colspan="2"> senate.gov </Td> </Tr> <Tr> <Th colspan="2"> Constitution </Th> </Tr> <Tr> <Td colspan="2"> United States Constitution </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> United States Senate </Th> </Tr> <Tr> <Td colspan="2"> 115th United States Congress </Td> </Tr> <Tr> <Td colspan="2"> Seal of the U.S. Senate </Td> </Tr> <Tr> <Td colspan="2"> Flag of the U.S. Senate </Td> </Tr> <Tr> <Th colspan="2"> Type </Th> </Tr> <Tr> <Th> Type </Th> <Td> Upper house of the United States Congress </Td> </Tr> <Tr> <Th> Term limits </Th> <Td> None </Td> </Tr> <Tr> <Th colspan="2"> History </Th> </Tr> <Tr> <Th> New session started </Th> <Td> January 3 , 2017 ( 2017 - 01 - 03 ) </Td> </Tr> <Tr> <Th colspan="2"> Leadership </Th> </Tr> <Tr> <Th> President of the Senate </Th> <Td> Mike Pence ( R ) Since January 20 , 2017 </Td> </Tr> <Tr> <Th> President pro tempore </Th> <Td> Orrin Hatch ( R ) Since January 6 , 2015 </Td> </Tr> <Tr> <Th> Majority Leader </Th> <Td> Mitch McConnell ( R ) Since January 3 , 2015 </Td> </Tr> <Tr> <Th> Minority Leader </Th> <Td> Chuck Schumer ( D ) Since January 3 , 2017 </Td> </Tr> <Tr> <Th> Majority Whip </Th> <Td> John Cornyn ( R ) Since January 3 , 2015 </Td> </Tr> <Tr> <Th> Minority Whip </Th> <Td> Dick Durbin ( D ) Since January 3 , 2015 </Td> </Tr> <Tr> <Th colspan="2"> Structure </Th> </Tr> <Tr> <Th> Seats </Th> <Td> 100 </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Political groups </Th> <Td> <P> Majority ( 51 ) </P> <Ul> <Li> Republican ( 51 ) </Li> </Ul> <P> Minority ( 49 ) </P> <Ul> <Li> Democratic ( 47 ) </Li> <Li> Independents ( 2 ) caucusing with the Democrats </Li> </Ul> </Td> </Tr> <Tr> <Th> Length of term </Th> <Td> 6 years </Td> </Tr> <Tr> <Th colspan="2"> Elections </Th> </Tr> <Tr> <Th> Voting system </Th> <Td> First - past - the - post ; nonpartisan blanket primary with a majoritarian second round in 3 states . </Td> </Tr> <Tr> <Th> Last election </Th> <Td> November 8 , 2016 ( 34 seats ) </Td> </Tr> <Tr> <Th> Next election </Th> <Td> November 6 , 2018 ( 33 seats ) </Td> </Tr> <Tr> <Th colspan="2"> Meeting place </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Td colspan="2"> Senate chamber United States Capitol Washington , D.C. , United States </Td> </Tr> <Tr> <Th colspan="2"> Website </Th> </Tr> <Tr> <Td colspan="2"> senate.gov </Td> </Tr> <Tr> <Th colspan="2"> Constitution </Th> </Tr> <Tr> <Td colspan="2"> United States Constitution </Td> </Tr> </Table>
how many seats are in the united states senate
how many seats are in the united states senate
100
100