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 30.1%, SPOLU 22.3%, SPD 13.1%, STAN 10.8%, Piráti 6.2%, Stačilo! 5.5%, Auto 4%, SOCDEM 3.6%, Přísaha 1.9% and Zelení 1.6%. The voting intention survey interviewed a total of 1552 people during the period 04.06.2025 - 04.06.2025.
1552 participants
23.05.2025 - 04.06.2025
STEM
Development since the last election on 09.10.2021
ANO
+3.0
SPOLU
-5.5
SPD
+3.5
STAN
New
Piráti
New
Stač
+1.9
Auto
New
SOCDEM
-1.1
Přísaha
-2.8
Z
+0.6
ANO
30.1
-1.5
SPOLU
22.3
+0.5
SPD
13.1
+0.3
STAN
10.8
-0.6
Piráti
6.2
+0.1
Stač
5.5
+0.1
Auto
4.0
+0.4
SOCDEM
3.6
+0.5
Přísaha
1.9
-0.2
Z
1.6
+0.2
Others
0.9
+0.2

Seats in parliament

200
Majority requires 101 seats
Stač
12
6%
Piráti
14
7%
STAN
24
12%
ANO
69
34.5%
SPOLU
51
25.5%
SPD
30
15%
ANO 2011 + SPD + STAN
61.5%
ANO 2011 + SPOLU
60.0%
ANO 2011 + SPOLU
60.0%
ANO 2011 + SPD + Stačilo!
55.5%
ANO 2011 + STAN + Piráti
53.5%
ANO 2011 + STAN + Piráti
53.5%
SPOLU + SPD + STAN
52.5%
ANO 2011 + STAN + Stačilo!
52.5%
ANO 2011 + SPD
49.5%
70

PolitPro Score

STEM achieves a score of 70/100 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
21
48
31
Auto
11
89
0
Piráti
13
79
8
Přísaha
7
79
14
SOCDEM
5
81
14
SPD
0
52
48
SPOLU
5
75
20
STAN
24
66
11
Stač
0
87
13
Z
6
89
6

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

2.2

Average deviation

On average, party poll results in STEM pre-election polls deviate from the actual result by 2.2 percentage points.

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

Deviation Election Rank
2.19
 Parliamentary Election in Tschechien 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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