The number of crossbenchers increased by two to a record 20.
The Liberal/National Coalition will require at least nine additional votes to reach a Senate majority, an increase of three.
The party with the most seats in the Senate controls the Senate leadership.
The balance of power shows which party has the most seats currently, how many seats are up for election this year (including contests with incumbents and open races), and how many each party has won on election night, according to CNN projections.
On 19 July the Australian Electoral Commission (AEC) announced a re-count for the Coalition-held but provisionally Labor-won Division of Herbert.