Current election polls and polling data from STEM

Latest voting intention survey by STEM for Czech Republic

In the latest voting intention survey for the election in Czech Republic conducted by STEM, the parties received the following results: ANO 2011 28%, SPOLU 21%, SPD 13.8%, STAN 12.2%, Piráti 9.8%, Auto 6%, Stačilo! 5.5% and Přísaha 3.4%. The voting intention survey interviewed a total of 1213 people during the period 24.09.2025 - 24.09.2025.
1213 participants
18.09.2025 - 24.09.2025
STEM
Development since the last election on 04.10.2025
ANO
-6.5
SPOLU
-2.4
SPD
+6.0
STAN
+1.0
Piráti
+0.8
Auto
-0.8
Stač
+1.2
Přísaha
+2.3
ANO
28.0
-2.9
SPOLU
21.0
+1.5
SPD
13.8
+1.8
STAN
12.2
±0.0
Piráti
9.8
+0.5
Auto
6.0
+0.3
Stač
5.5
-2.2
Přísaha
3.4
+1.4
Others
0.3
-0.4

Seats in parliament

200
Majority requires 101 seats
Stač
11
5.5%
Piráti
20
10%
STAN
25
12.5%
SPOLU
44
22%
ANO
59
29.5%
Auto
12
6%
SPD
29
14.5%
ANO 2011 + SPD + STAN
56.5%
ANO 2011 + SPD + Auto + Stačilo!
55.5%
SPOLU + SPD + STAN + Auto
55.0%
ANO 2011 + STAN + Auto + Stačilo!
53.5%
ANO 2011 + STAN + Piráti
52.0%
ANO 2011 + STAN + Piráti
52.0%
ANO 2011 + SPOLU
51.5%
ANO 2011 + SPOLU
51.5%
ANO 2011 + SPD + Auto
50.0%
ANO 2011 + SPD + Stačilo!
49.5%
SPOLU + SPD + STAN
49.0%
69

PolitPro Score

STEM achieves a score of 69/100 in the PolitPro Score.

What is the PolitPro Score?

The PolitPro Score evaluates the reliability of polling institutes based on their accuracy in elections and neutrality toward political parties. Significant biases in favor of or against parties compared to election trends result in deductions. The maximum score is 100.

Rating of parties

Comparison of historical poll results with overall election trends across all institutes (in %)

Lower
Similar
Higher
ANO
26
51
23
Auto
6
94
0
Piráti
9
85
6
Přísaha
5
84
12
SPD
0
58
42
SPOLU
6
77
17
STAN
21
68
11
Stač
3
73
23

What are significant differences?

The PolitPro election trend, which calculates a time-weighted average value of current election polls, serves as a comparison value. A poll value is considered higher/lower if it is more than one percentage point higher/lower than the election trend. The overview shows all parties for which there is a deviation in a particular direction in at least 30% of the institute's election polls.

Accuracy in elections

2.4

Average deviation

On average, party poll results in STEM pre-election polls deviate from the actual result by 2.4 percentage points.

Average Deviation of Pre-Election Polls from the Results of Recent Elections

Deviation Election Rank
2.63
 Parliamentary Election in Czech Republic 2025 2/4
2.19
 Parliamentary Election in Czech Republic 2021 3/4

How is an institute’s accuracy calculated?

The accuracy indicates how closely pre-election polls matched the actual election results.
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