<Table> <Tr> <Th colspan="2"> United States Congress </Th> </Tr> <Tr> <Td colspan="2"> 115th United States Congress </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th colspan="2"> Type </Th> </Tr> <Tr> <Th> Type </Th> <Td> Bicameral </Td> </Tr> <Tr> <Th> Houses </Th> <Td> Senate House of Representatives </Td> </Tr> <Tr> <Th colspan="2"> History </Th> </Tr> <Tr> <Th> Founded </Th> <Td> March 4 , 1789 ( 228 years ago ) ( 1789 - 03 - 04 ) </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> Congress of the Confederation </Td> </Tr> <Tr> <Th> New session started </Th> <Td> January 3 , 2017 </Td> </Tr> <Tr> <Th colspan="2"> Leadership </Th> </Tr> <Tr> <Th> President of the Senate & Vice President </Th> <Td> Mike Pence ( R ) Since January 20 , 2017 </Td> </Tr> <Tr> <Th> Speaker of the House of Representatives </Th> <Td> Paul Ryan ( R ) Since October 29 , 2015 </Td> </Tr> <Tr> <Th> President pro tempore of the Senate </Th> <Td> Orrin Hatch ( R ) Since January 6 , 2015 </Td> </Tr> <Tr> <Th colspan="2"> Structure </Th> </Tr> <Tr> <Th> Seats </Th> <Td> <P> 535 voting members </P> <Ul> <Li> 100 senators </Li> <Li> 435 representatives </Li> </Ul> 6 non-voting members </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Senate political groups </Th> <Td> <Ul> <Li> Republican ( 51 ) </Li> <Li> Democratic ( 47 ) </Li> <Li> Independent ( 2 ) ( caucusing with Democrats ) </Li> </Ul> </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> House of Representatives political groups </Th> <Td> <Ul> <Li> Republican ( 239 ) </Li> <Li> Democratic ( 193 ) </Li> <Li> Vacant ( 3 ) </Li> </Ul> </Td> </Tr> <Tr> <Th colspan="2"> Elections </Th> </Tr> <Tr> <Th> Senate last election </Th> <Td> November 8 , 2016 </Td> </Tr> <Tr> <Th> House of Representatives last election </Th> <Td> November 8 , 2016 </Td> </Tr> <Tr> <Th colspan="2"> Meeting place </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Td colspan="2"> United States Capitol Washington , D.C. , United States </Td> </Tr> <Tr> <Th colspan="2"> Website </Th> </Tr> <Tr> <Td colspan="2"> www.congress.gov </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> United States Congress </Th> </Tr> <Tr> <Td colspan="2"> 115th United States Congress </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th colspan="2"> Type </Th> </Tr> <Tr> <Th> Type </Th> <Td> Bicameral </Td> </Tr> <Tr> <Th> Houses </Th> <Td> Senate House of Representatives </Td> </Tr> <Tr> <Th colspan="2"> History </Th> </Tr> <Tr> <Th> Founded </Th> <Td> March 4 , 1789 ( 228 years ago ) ( 1789 - 03 - 04 ) </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> Congress of the Confederation </Td> </Tr> <Tr> <Th> New session started </Th> <Td> January 3 , 2017 </Td> </Tr> <Tr> <Th colspan="2"> Leadership </Th> </Tr> <Tr> <Th> President of the Senate & Vice President </Th> <Td> Mike Pence ( R ) Since January 20 , 2017 </Td> </Tr> <Tr> <Th> Speaker of the House of Representatives </Th> <Td> Paul Ryan ( R ) Since October 29 , 2015 </Td> </Tr> <Tr> <Th> President pro tempore of the Senate </Th> <Td> Orrin Hatch ( R ) Since January 6 , 2015 </Td> </Tr> <Tr> <Th colspan="2"> Structure </Th> </Tr> <Tr> <Th> Seats </Th> <Td> <P> 535 voting members </P> <Ul> <Li> 100 senators </Li> <Li> 435 representatives </Li> </Ul> 6 non-voting members </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> Senate political groups </Th> <Td> <Ul> <Li> Republican ( 51 ) </Li> <Li> Democratic ( 47 ) </Li> <Li> Independent ( 2 ) ( caucusing with Democrats ) </Li> </Ul> </Td> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Th> House of Representatives political groups </Th> <Td> <Ul> <Li> Republican ( 239 ) </Li> <Li> Democratic ( 193 ) </Li> <Li> Vacant ( 3 ) </Li> </Ul> </Td> </Tr> <Tr> <Th colspan="2"> Elections </Th> </Tr> <Tr> <Th> Senate last election </Th> <Td> November 8 , 2016 </Td> </Tr> <Tr> <Th> House of Representatives last election </Th> <Td> November 8 , 2016 </Td> </Tr> <Tr> <Th colspan="2"> Meeting place </Th> </Tr> <Tr> <Td colspan="2"> </Td> </Tr> <Tr> <Td colspan="2"> United States Capitol Washington , D.C. , United States </Td> </Tr> <Tr> <Th colspan="2"> Website </Th> </Tr> <Tr> <Td colspan="2"> www.congress.gov </Td> </Tr> </Table>
how many senators are there in united states
how many senators are there in united states
100
100