Single poll

INSA poll of 28 October 2025 for the Berlin state election

Commissioned by
NIUS
Fieldwork period
21 to 28 Oct 2025
Respondents
1,000
Method
Online
  • CDU23.0%-1.0
  • Linke17.0%+4.0
  • SPD16.0%-1.0
  • AfD15.0%+2.0
  • Grüne14.0%-1.0
  • BSW5.0%-2.0
  • FDP4.0%+1.0
  • Others6.0%-2.0

Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 21 May 2025.

In this poll INSA has CDU ahead on 23.0%, followed by Linke on 17.0%. 1,000 people were surveyed from 21 to 28 Oct 2025, method Online, commissioned by NIUS.

Compared with the previous INSA poll of 21 May 2025, Linke gains 4.0 points, AfD gains 2.0 points, BSW loses 2.0 points.

Compared with the average of the other pollsters on the same day, INSA has SPD 2.5 points higher and CDU 2.0 points lower.

Context

Deviation from the average of the other pollsters

Rolling 120-day average of the other pollsters on 28 Oct 2025. Positive: this poll is above it.

  • SPD +2.5average 13.5
  • CDU -2.0average 25.0
  • FDP +2.0average 2.0
  • Grüne -1.0average 15.0
  • Linke -0.5average 17.5
  • AfD +0.5average 14.5
  • BSW -0.5average 5.5
Seat projection

Seat projection from this poll

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

CDU: 33 seatsLinke: 25 seatsSPD: 23 seatsAfD: 22 seatsGrüne: 20 seatsBSW: 7 seatsMajority from 66130of 130 seats
  • CDU33
  • Linke25
  • SPD23
  • AfD22
  • Grüne20
  • BSW7
  • CDU + Linke + SPD81 of 130
  • CDU + Linke + AfD80 of 130
  • CDU + Linke + Grüne78 of 130
  • CDU + SPD + AfD78 of 130
  • CDU + SPD + Grüne76 of 130
  • CDU + AfD + Grüne75 of 130
  • Linke + SPD + AfD70 of 130
  • Linke + SPD + Grüne68 of 130
  • Linke + AfD + Grüne67 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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