Single poll

INSA poll of 13 September 2025 for the federal election

Commissioned by
BILD am Sonntag
Fieldwork period
8 to 12 Sep 2025
Respondents
1,204
Method
Telefon & Online
  • CDU/CSU25.0%-0.5
  • AfD25.0%-0.5
  • SPD14.0%-0.5
  • Grüne12.0%+1.0
  • Linke11.0%+1.0
  • BSW4.0%-0.5
  • FDP3.0%-0.5
  • Others6.0%+0.5

Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 8 Sep 2025.

In this poll INSA has CDU/CSU ahead on 25.0%, followed by AfD on 25.0%. 1,204 people were surveyed from 8 to 12 Sep 2025, method Telefon & Online, commissioned by BILD am Sonntag.

Compared with the previous INSA poll of 8 Sep 2025, Grüne gains 1.0 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 45-day average of the other pollsters on 13 Sep 2025. Positive: this poll is above it.

  • CDU/CSU -1.4average 26.4
  • SPD -0.8average 14.8
  • Grüne +0.6average 11.4
  • Linke +0.6average 10.4
  • FDP -0.4average 3.4
  • AfD +0.2average 24.8
  • BSW +0.1average 3.9
Seat projection

Seat projection from this poll

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

CDU/CSU: 181 seatsAfD: 181 seatsSPD: 101 seatsGrüne: 87 seatsLinke: 80 seatsMajority from 316630of 630 seats
  • CDU/CSU181
  • AfD181
  • SPD101
  • Grüne87
  • Linke80
  • CDU/CSU + AfD362 of 630
  • CDU/CSU + SPD + Grüne369 of 630
  • AfD + SPD + Grüne369 of 630
  • CDU/CSU + SPD + Linke362 of 630
  • AfD + SPD + Linke362 of 630
  • CDU/CSU + Grüne + Linke348 of 630
  • AfD + Grüne + Linke348 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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