Gerhard Zatschler (MAR) Donald Evans (Dem) Five seats were up for election.
Senators John Carrick (Liberal), Bob Cotton (Liberal), Doug McClelland (Labor), Jim McClelland (Labor) and Douglas Scott (National Country) were not up for re-election.
Senators Neville Bonner (Liberal), Jim Keeffe (Labor), Ron Maunsell (National Country), Ron McAuliffe (Labor) and Glen Sheil (National Country) were not up for re-election.
One seat had been held by the Australian Democrats following its resignation by the Liberal Movement's Steele Hall.
Stephen Dimitriou (MAR) Andrew Jones (Ind) Five seats were up for election.
The Liberal Party was defending three seats, although retiring Senator Reg Wright had become an independent at the end of his term.
Senators Ivor Greenwood (Liberal), Margaret Guilfoyle (Liberal), Jean Melzer (Labor), Cyril Primmer (Labor) and James Webster (National Country) were not up for re-election.
Shane Watson Ronald Batey Peter Kavanagh Terence Vine Five seats were up for election.