Single poll

INSA poll of 23 September 2025 for the federal election

Commissioned by
BILD
Fieldwork period
19 to 22 Sep 2025
Respondents
2,002
Method
Online
  • AfD26.0%±0
  • CDU/CSU24.5%-0.5
  • SPD14.5%-0.5
  • Linke11.5%+0.5
  • Grüne11.0%±0
  • BSW4.0%±0
  • FDP3.5%+0.5
  • Others5.0%±0

Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 20 Sep 2025.

In this poll INSA has AfD ahead on 26.0%, followed by CDU/CSU on 24.5%. 2,002 people were surveyed from 19 to 22 Sep 2025, method Online, commissioned by BILD.

Compared with the previous INSA poll of 20 Sep 2025, no party moves by more than one point.

Compared with the average of the other pollsters on the same day, INSA has CDU/CSU 1.6 points lower.

Context

Deviation from the average of the other pollsters

Rolling 45-day average of the other pollsters on 23 Sep 2025. Positive: this poll is above it.

  • CDU/CSU -1.6average 26.1
  • Linke +1.1average 10.4
  • AfD +0.7average 25.3
  • SPD -0.4average 14.9
  • BSW -0.1average 4.1
  • FDP +0.1average 3.4
  • Grüne ±0average 11.0
Seat projection

Seat projection from this poll

630 seats by Sainte-Laguë, five per cent threshold, waived for parties winning at least three constituencies.

AfD: 187 seatsCDU/CSU: 177 seatsSPD: 104 seatsLinke: 83 seatsGrüne: 79 seatsMajority from 316630of 630 seats
  • AfD187
  • CDU/CSU177
  • SPD104
  • Linke83
  • Grüne79
  • AfD + CDU/CSU364 of 630
  • AfD + SPD + Linke374 of 630
  • AfD + SPD + Grüne370 of 630
  • CDU/CSU + SPD + Linke364 of 630
  • CDU/CSU + SPD + Grüne360 of 630
  • AfD + Linke + Grüne349 of 630
  • CDU/CSU + Linke + Grüne339 of 630
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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