Berlin: Poll by INSA from 28.10.2025

Berlin: Polling data

CDU
23.0
-1.0
Linke
17.0
+4.0
SPD
16.0
-1.0
AfD
15.0
+2.0
Grüne
14.0
-1.0
BSW
5.0
-2.0
FDP
4.0
+1.0
Others
6.0
-2.0
Development since the last election on 12.02.2023
CDU
-5.2
Linke
+4.8
SPD
-2.4
AfD
+5.9
Grüne
-4.4
BSW
New
FDP
-0.6
INSA – 1000 respondents – 21.10.2025-28.10.2025

Next election: 20.09.2026

The next general election in Berlin will be held in 306.

Institute often rates Grüne lower

In 33% of election polls INSA rates Grüne lower than the general election trend of all institutes.

Election poll results

Berlin - The latest poll for the Parliamentary Election in Berlin from INSA shows the following results: CDU 23%, Die Linke 17%, SPD 16%, AfD 15%, Grüne 14%, BSW 5% and FDP 4%. If an election were held in Berlin this Sunday, AfD might gain the most in voter favorability with +5.9 growth since the last election. CDU, on the other hand, would lose the most votes (-5.2) in the election barometer compared to the last election result.

Kai Wegner is currently governing with a Coalition of the center from CDU and SPD. With 43.1% of virtual seats, the government could fail to remain in office.

The election survey was collected by INSA. For this purpose, 1000 persons were asked about their party preference in a period of 7 days (21.10.2025 - 28.10.2025).

Coalition possibilities

130
Majority requires 66 seats
Linke
25
19.2%
SPD
23
17.7%
Grüne
20
15.4%
BSW
7
5.4%
CDU
33
25.4%
AfD
22
16.9%
CDU + Die Linke + SPD + Grüne
77.7%
CDU + SPD + Grüne
58.5%
Die Linke + SPD + Grüne
52.3%
CDU + Die Linke + BSW
50.0%

Frequently asked questions about election polls

Election poll results

This election poll on the parliamentary election in Berlin was conducted by INSA. The survey took place between 21.10.2025 and 28.10.2025 among 1000 eligible voters. After this election poll would get CDU 23%, Die Linke 17%, SPD 16%, AfD 15%, Grüne 14%, BSW 5% and FDP 4%.

How reliable are election polls?

Election polls depict the current political mood and are not a forecast for the next upcoming election. Due to the polling method, the margin of error of each party's score is 1.5 to 3 percentage points, depending on the level of the score. For this reason, many polling institutes do not mention minor parties until values of around 3 percent are reached, as it is difficult to make serious statements below this level.

What should you look out for in election polls?

Pay attention to a sufficiently large sample size in polls. This should be at least 1000 respondents. Also pay attention to which institute is conducting the poll and who the clients are. Some institutes tend to rate certain parties too high or too low.
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