<Table> Next Australian federal election <Tr> <Th colspan="2"> </Th> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> ← 2016 </Td> <Td> On or before 18 May 2019 ( half - Senate ) <P> On or before 2 November 2019 ( House of Representatives ) </P> </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th colspan="2"> All 151 seats in the Australian House of Representatives 76 seats are needed for a majority 40 ( of the 76 ) seats in the Australian Senate </Th> </Tr> <Tr> <Td colspan="2"> Opinion polls </Td> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Leader </Th> <Td> Malcolm Turnbull </Td> <Td> Bill Shorten </Td> </Tr> <Tr> <Th> Party </Th> <Td> Liberal / National coalition </Td> <Td> Labor </Td> </Tr> <Tr> <Th> Leader since </Th> <Td> 14 September 2015 ( 2015 - 09 - 14 ) </Td> <Td> 13 October 2013 ( 2013 - 10 - 13 ) </Td> </Tr> <Tr> <Th> Leader 's seat </Th> <Td> Wentworth </Td> <Td> Maribyrnong </Td> </Tr> <Tr> <Th> Last election </Th> <Td> 76 seats </Td> <Td> 69 seats </Td> </Tr> <Tr> <Th> Current seats </Th> <Td> 76 seats </Td> <Td> 69 seats </Td> </Tr> <Tr> <Th> Seats needed </Th> <Td> </Td> <Td> 7 </Td> </Tr> <Tr> <Th> 2016 TPP </Th> <Td> 50.36 % </Td> <Td> 49.64 % </Td> </Tr> <Tr> <Th> TPP polling </Th> <Td> 47 % </Td> <Td> 53 % </Td> </Tr> <Tr> <Td colspan="4"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Leader </Th> <Td> Richard Di Natale </Td> <Td> Nick Xenophon </Td> </Tr> <Tr> <Th> Party </Th> <Td> Greens </Td> <Td> Xenophon Team </Td> </Tr> <Tr> <Th> Leader since </Th> <Td> 6 May 2015 ( 2015 - 05 - 06 ) </Td> <Td> 1 June 2013 ( 2013 - 06 - 01 ) </Td> </Tr> <Tr> <Th> Leader 's seat </Th> <Td> Senator for Victoria </Td> <Td> Not Contesting </Td> </Tr> <Tr> <Th> Last election </Th> <Td> 1 seat </Td> <Td> 1 seat </Td> </Tr> <Tr> <Th> Current seats </Th> <Td> 1 seat </Td> <Td> 1 seat </Td> </Tr> <Tr> <Th> Seats needed </Th> <Td> 75 </Td> <Td> 75 </Td> </Tr> <Tr> <Td colspan="4"> </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Leader </Th> <Td> Bob Katter </Td> <Td> </Td> </Tr> <Tr> <Th> Party </Th> <Td> Katter 's Australian </Td> <Td> </Td> </Tr> <Tr> <Th> Leader since </Th> <Td> 3 June 2011 ( 2011 - 06 - 03 ) </Td> <Td> </Td> </Tr> <Tr> <Th> Leader 's seat </Th> <Td> Kennedy </Td> <Td> </Td> </Tr> <Tr> <Th> Last election </Th> <Td> 1 seat </Td> <Td> </Td> </Tr> <Tr> <Th> Current seats </Th> <Td> 1 seat </Td> <Td> </Td> </Tr> <Tr> <Th> Seats needed </Th> <Td> 75 </Td> <Td> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td colspan="2"> <Table> <Tr> <Td> Incumbent Prime minister <P> Malcolm Turnbull Liberal / National coalition </P> </Td> <Td> <P> </P> </Td> </Tr> </Table> </Td> </Tr> </Table>
when is the next senate election in australia
On or before 18 May 2019