INSA poll of 4 September 2026 for the Berlin state election
- Commissioned by
- BILD
- Fieldwork period
- 26 Aug 2026 to 2 Sep 2026
- Respondents
- 1,000
- Method
- Online
- CDU20.0%±0
- Linke19.0%±0
- AfD18.0%+1.0
- SPD15.0%±0
- Grüne15.0%-1.0
- FDP3.0%±0
- BSW3.0%±0
- Others7.0%±0
Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 14 Aug 2026.
In this poll INSA has CDU ahead on 20.0%, followed by Linke on 19.0%. 1,000 people were surveyed from 26 Aug 2026 to 2 Sep 2026, method Online, commissioned by BILD.
Compared with the previous INSA poll of 14 Aug 2026, AfD gains 1.0 points, Grüne loses 1.0 points.
Compared with the average of the other pollsters on the same day, INSA has SPD 3.0 points higher.
Deviation from the average of the other pollsters
Rolling 120-day average of the other pollsters on 4 Sep 2026. Positive: this poll is above it.
- SPD +3.0average 12.0
- Linke -1.3average 20.3
- Grüne -1.3average 16.3
- BSW -1.0average 4.0
- CDU +0.7average 19.3
- FDP -0.3average 3.3
- AfD ±0average 18.0
Seat projection from this poll
130 seats by Hare/Niemeyer, five per cent threshold, waived for parties winning a constituency.
- CDU30
- Linke28
- AfD27
- SPD23
- Grüne22
- CDU + Linke + AfD85 of 130
- CDU + Linke + SPD81 of 130
- CDU + Linke + Grüne80 of 130
- CDU + AfD + SPD80 of 130
- CDU + AfD + Grüne79 of 130
- Linke + AfD + SPD78 of 130
- Linke + AfD + Grüne77 of 130
- CDU + SPD + Grüne75 of 130
- Linke + SPD + Grüne73 of 130
- AfD + SPD + Grüne72 of 130
More polls
Data from dawum.de (ODbL), analysis by wahlergebnisse.io. Individual polls carry a margin of error of roughly two to three points for the larger parties.