INSA poll of 20 September 2026 for the federal election
- Commissioned by
- BILD am Sonntag
- Fieldwork period
- 14 to 18 Sep 2026
- Respondents
- 1,202
- Method
- Telefon & Online
- AfD29.0%±0
- CDU/CSU20.0%+0.5
- Grüne14.0%±0
- SPD13.0%+0.5
- Linke11.0%+0.5
- FDP5.0%+0.5
- BSW3.0%-0.5
- Others5.0%-1.5
Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 15 Sep 2026.
In this poll INSA has AfD ahead on 29.0%, followed by CDU/CSU on 20.0%. 1,202 people were surveyed from 14 to 18 Sep 2026, method Telefon & Online, commissioned by BILD am Sonntag.
Compared with the previous INSA poll of 15 Sep 2026, 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 2026. Positive: this poll is above it.
- AfD +1.3average 27.7
- Grüne -1.0average 15.0
- Linke -0.7average 11.7
- CDU/CSU -0.4average 20.4
- SPD +0.4average 12.6
- FDP +0.4average 4.6
- BSW -0.3average 3.3
Seat projection from this poll
630 seats by Sainte-Laguë, five per cent threshold, waived for parties winning at least three constituencies.
- AfD199
- CDU/CSU137
- Grüne96
- SPD89
- Linke75
- FDP34
- AfD + CDU/CSU336 of 630
- AfD + Grüne + SPD384 of 630
- AfD + Grüne + Linke370 of 630
- AfD + SPD + Linke363 of 630
- AfD + Grüne + FDP329 of 630
- AfD + SPD + FDP322 of 630
- CDU/CSU + Grüne + SPD322 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.