INSA poll of 26 September 2026 for the federal election
- Commissioned by
- BILD am Sonntag
- Fieldwork period
- 21 to 25 Sep 2026
- Respondents
- 1,203
- Method
- Telefon & Online
- AfD29.0%-0.5
- CDU/CSU19.0%-0.5
- Grüne15.0%+1.5
- SPD14.0%+0.5
- Linke10.0%-0.5
- FDP4.0%-0.5
- BSW3.0%-0.5
- Others6.0%+0.5
Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 22 Sep 2026.
In this poll INSA has AfD ahead on 29.0%, followed by CDU/CSU on 19.0%. 1,203 people were surveyed from 21 to 25 Sep 2026, method Telefon & Online, commissioned by BILD am Sonntag.
Compared with the previous INSA poll of 22 Sep 2026, Grüne gains 1.5 points.
Compared with the average of the other pollsters on the same day, INSA has Linke 1.6 points lower.
Deviation from the average of the other pollsters
Rolling 45-day average of the other pollsters on 26 Sep 2026. Positive: this poll is above it.
- Linke -1.6average 11.6
- CDU/CSU -1.3average 20.3
- SPD +1.3average 12.7
- AfD +1.1average 27.9
- FDP -0.3average 4.3
- BSW -0.3average 3.3
- Grüne ±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.
- AfD210
- CDU/CSU138
- Grüne109
- SPD101
- Linke72
- AfD + CDU/CSU348 of 630
- AfD + Grüne319 of 630
- AfD + SPD + Linke383 of 630
- CDU/CSU + Grüne + SPD348 of 630
- CDU/CSU + Grüne + Linke319 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.