INSA poll of 5 September 2026 for the federal election
- Commissioned by
- BILD am Sonntag
- Fieldwork period
- 31 Aug 2026 to 4 Sep 2026
- Respondents
- 1,206
- Method
- Telefon & Online
- AfD28.0%-1.0
- CDU/CSU20.0%-0.5
- SPD13.0%+1.0
- Grüne13.0%-0.5
- Linke10.0%-0.5
- FDP4.0%-0.5
- BSW4.0%+0.5
- Others8.0%+1.5
Dashed line: electoral threshold of 5%. Change compared with the previous INSA poll of 1 Sep 2026.
In this poll INSA has AfD ahead on 28.0%, followed by CDU/CSU on 20.0%. 1,206 people were surveyed from 31 Aug 2026 to 4 Sep 2026, method Telefon & Online, commissioned by BILD am Sonntag.
Compared with the previous INSA poll of 1 Sep 2026, AfD loses 1.0 points, SPD gains 1.0 points.
Compared with the average of the other pollsters on the same day, INSA has Linke 1.7 points lower.
Deviation from the average of the other pollsters
Rolling 45-day average of the other pollsters on 5 Sep 2026. Positive: this poll is above it.
- Linke -1.7average 11.7
- Grüne -1.4average 14.4
- CDU/CSU -1.2average 21.2
- BSW +1.2average 2.8
- FDP -0.7average 4.7
- AfD +0.4average 27.6
- SPD +0.4average 12.6
Seat projection from this poll
630 seats by Sainte-Laguë, five per cent threshold, waived for parties winning at least three constituencies.
- AfD210
- CDU/CSU150
- SPD98
- Grüne97
- Linke75
- AfD + CDU/CSU360 of 630
- AfD + SPD + Grüne405 of 630
- AfD + SPD + Linke383 of 630
- AfD + Grüne + Linke382 of 630
- CDU/CSU + SPD + Grüne345 of 630
- CDU/CSU + SPD + Linke323 of 630
- CDU/CSU + Grüne + Linke322 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.