1990 Berlin state election

1990 Berlin state election

← West (1989) ← East (1990) 2 December 1990 1995 →
All 241 seats of the Abgeordnetenhaus of Berlin 121 seats needed for a majority
Turnout	2,019,198 (80.8%)
First party Second party Third party   Leader Eberhard Diepgen Walter Momper Party CDU SPD PDS Seats won 101 76 23 Popular vote 815,382 614,075 184,820 Percentage 40.4% 30.4% 9.2%   Fourth party Fifth party Sixth party   Party FDP Greens (West) Greens (East)[a] Seats won 18 12 11 Popular vote 143,080 100,839 87,891 Percentage 7.1% 5.0% 4.4%[b]
Results for single-member constituencies.
Mayor before election Walter Momper (West) Tino Schwierzina/Thomas Krüger (East) Elected Mayor Eberhard Diepgen CDU

The 1990 Berlin state election was held on 2 December 1990 to elect the members of the 12th Abgeordnetenhaus of Berlin. This was the first election held in Berlin after the reunification of Germany and Berlin, and was held on the same day as the 1990 federal election.

The Christian Democratic Union (CDU) emerged as the largest party with 40.4%, with the Social Democratic Party (SPD) second on 30.4%. The Party of Democratic Socialism (PDS) won 9.2%, while the Free Democratic Party (FDP) won 7.1%. Two green parties, the Alternative List from the West and the Alliance 90 from the East, entered the Abgeordnetenhaus with 5.0% and 4.4% respectively. The 5% electoral threshold for entry was applied separately in the old West and East of the city, allowing both parties to enter despite both falling short of 5% statewide. They subsequently formed a joint parliamentary group, and later merged to become the Berlin branch of Alliance 90/The Greens.

A potential CDU–FDP government came up two seats short of a majority, and no left-of-centre arrangement was possible due to the presence of PDS. Thus, the CDU and SPD entered into a grand coalition, and CDU leader and former Mayor Eberhard Diepgen was elected as the first Mayor of reunified Berlin.^[1]

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