The 100 seats of the Gemeinderat and Landtag of Vienna are elected via open list proportional representation in a two-step process.

For parties to receive any representation in the Landtag, they must either win at least one seat in a constituency directly, or clear a 5 percent state-wide electoral threshold.

In light of the ÖVP's historically poor result, state chairman Manfred Juraczka announced his resignation on election night.

[4] However, after suffering a loss of 0.8% in the election, Vassilakou reneged on the pledge, instead seeking to renew the coalition with the SPÖ and secure a second term as deputy mayor.

[6] She was harshly criticised by SPÖ deputy Peko Baxant, who said "I really don't know if you can continue to work with such people.

Since the FPÖ won over a third of seats, it was entitled to take one of the two deputy mayor positions; this was filled by Johann Gudenus.