Single poll

INSA poll of 14 September 2026 for the Berlin state election

Commissioned by
BILD
Fieldwork period
7 to 14 Sep 2026
Respondents
1,000
Method
Online
  • Linke20.0%+1.0
  • CDU20.0%±0
  • AfD18.0%±0
  • Grüne16.0%+1.0
  • SPD12.0%-3.0
  • BSW5.0%+2.0
  • FDP3.0%±0
  • Others6.0%-1.0

Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 4 Sep 2026.

In this poll INSA has Linke ahead on 20.0%, followed by CDU on 20.0%. 1,000 people were surveyed from 7 to 14 Sep 2026, method Online, commissioned by BILD.

Compared with the previous INSA poll of 4 Sep 2026, SPD loses 3.0 points, BSW gains 2.0 points, Linke gains 1.0 points.

All parties are within 1.5 points of the average of the other pollsters.

Context

Deviation from the average of the other pollsters

Rolling 120-day average of the other pollsters on 14 Sep 2026. Positive: this poll is above it.

  • Linke -1.3average 21.3
  • BSW +1.2average 3.8
  • CDU +0.2average 19.8
  • AfD +0.2average 17.8
  • SPD +0.2average 11.8
  • Grüne ±0average 16.0
  • FDP ±0average 3.0
Seat projection

Seat projection from this poll

130 seats by Hare/Niemeyer, five per cent threshold, waived for parties winning a constituency.

Linke: 29 seatsCDU: 28 seatsAfD: 26 seatsGrüne: 23 seatsSPD: 17 seatsBSW: 7 seatsMajority from 66130of 130 seats
  • Linke29
  • CDU28
  • AfD26
  • Grüne23
  • SPD17
  • BSW7
  • Linke + CDU + AfD83 of 130
  • Linke + CDU + Grüne80 of 130
  • Linke + AfD + Grüne78 of 130
  • CDU + AfD + Grüne77 of 130
  • Linke + CDU + SPD74 of 130
  • Linke + AfD + SPD72 of 130
  • CDU + AfD + SPD71 of 130
  • Linke + Grüne + SPD69 of 130
  • CDU + Grüne + SPD68 of 130
  • AfD + Grüne + SPD66 of 130
More

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.

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