INSA poll of 20 September 2025 for the federal election
- Commissioned by
- BILD am Sonntag
- Fieldwork period
- 15 to 19 Sep 2025
- Respondents
- 1,200
- Method
- Telefon & Online
- AfD26.0%+0.5
- CDU/CSU25.0%-0.5
- SPD15.0%+0.5
- Grüne11.0%-0.5
- Linke11.0%±0
- BSW4.0%±0
- FDP3.0%±0
- Others5.0%±0
Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 16 Sep 2025.
In this poll INSA has AfD ahead on 26.0%, followed by CDU/CSU on 25.0%. 1,200 people were surveyed from 15 to 19 Sep 2025, method Telefon & Online, commissioned by BILD am Sonntag.
Compared with the previous INSA poll of 16 Sep 2025, no party moves by more than one point.
All parties are within 1.5 points of the average of the other pollsters.
Deviation from the average of the other pollsters
Rolling 45-day average of the other pollsters on 20 Sep 2025. Positive: this poll is above it.
- CDU/CSU -1.1average 26.1
- AfD +0.9average 25.1
- Linke +0.6average 10.4
- FDP -0.4average 3.4
- Grüne -0.1average 11.1
- BSW -0.1average 4.1
- SPD ±0average 15.0
Seat projection from this poll
630 seats by Sainte-Laguë, five per cent threshold, waived for parties winning at least three constituencies.
- AfD186
- CDU/CSU179
- SPD107
- Grüne79
- Linke79
- AfD + CDU/CSU365 of 630
- AfD + SPD + Grüne372 of 630
- AfD + SPD + Linke372 of 630
- CDU/CSU + SPD + Grüne365 of 630
- CDU/CSU + SPD + Linke365 of 630
- AfD + Grüne + Linke344 of 630
- CDU/CSU + Grüne + Linke337 of 630
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.