INSA poll of 12 September 2026 for the federal election
- Commissioned by
- BILD am Sonntag
- Fieldwork period
- 7 to 11 Sep 2026
- Respondents
- 1,203
- Method
- Telefon & Online
- AfD29.0%±0
- CDU/CSU20.0%+0.5
- Grüne14.0%+0.5
- SPD13.0%+0.5
- Linke10.0%-0.5
- FDP4.0%-0.5
- BSW3.0%-1.0
- Others7.0%+0.5
Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 8 Sep 2026.
In this poll INSA has AfD ahead on 29.0%, followed by CDU/CSU on 20.0%. 1,203 people were surveyed from 7 to 11 Sep 2026, method Telefon & Online, commissioned by BILD am Sonntag.
Compared with the previous INSA poll of 8 Sep 2026, BSW loses 1.0 points.
Compared with the average of the other pollsters on the same day, INSA has Linke 1.8 points lower.
Deviation from the average of the other pollsters
Rolling 45-day average of the other pollsters on 12 Sep 2026. Positive: this poll is above it.
- Linke -1.8average 11.8
- AfD +1.4average 27.6
- CDU/CSU -0.9average 20.9
- Grüne -0.6average 14.6
- FDP -0.6average 4.6
- SPD +0.2average 12.8
- BSW ±0average 3.0
Seat projection from this poll
630 seats by Sainte-Laguë, five per cent threshold, waived for parties winning at least three constituencies.
- AfD212
- CDU/CSU147
- Grüne103
- SPD95
- Linke73
- AfD + CDU/CSU359 of 630
- AfD + Grüne + SPD410 of 630
- AfD + Grüne + Linke388 of 630
- AfD + SPD + Linke380 of 630
- CDU/CSU + Grüne + SPD345 of 630
- CDU/CSU + Grüne + Linke323 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.