Opinion Poll by STEM for CNN Prima News, 21 August–9 September 2025

Voting Intentions | Seats | Coalitions | Technical Information

Voting Intentions

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Confidence Intervals

Party Last Result Poll Result 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
ANO 2011 (PfE) 0.0% 31.3% 29.8–32.8% 29.4–33.3% 29.0–33.7% 28.3–34.4%
Svoboda a přímá demokracie (ESN) 0.0% 12.5% 11.4–13.6% 11.2–13.9% 10.9–14.2% 10.4–14.8%
Česká pirátská strana (Greens/EFA) 0.0% 10.0% 9.1–11.1% 8.8–11.4% 8.6–11.6% 8.2–12.1%
Starostové a nezávislí (EPP) 0.0% 10.0% 9.1–11.1% 8.8–11.4% 8.6–11.6% 8.2–12.1%
Občanská demokratická strana (ECR) 0.0% 8.7% 7.8–9.6% 7.6–9.9% 7.4–10.2% 7.0–10.7%
Motoristé sobě (PfE) 0.0% 6.0% 5.3–6.9% 5.1–7.1% 4.9–7.3% 4.6–7.7%
TOP 09 (EPP) 0.0% 5.9% 5.2–6.7% 5.0–7.0% 4.8–7.2% 4.5–7.6%
Křesťanská a demokratická unie–Československá strana lidová (EPP) 0.0% 5.6% 4.9–6.4% 4.7–6.7% 4.6–6.9% 4.3–7.3%
Komunistická strana Čech a Moravy–Spojení demokraté - Sdružení nezávislých–Stačilo! (NI) 0.0% 5.5% 4.8–6.3% 4.6–6.6% 4.5–6.8% 4.2–7.2%
Přísaha (PfE) 0.0% 2.2% 1.8–2.8% 1.7–2.9% 1.6–3.1% 1.4–3.4%
Sociální demokracie (S&D) 0.0% 1.0% 0.8–1.4% 0.7–1.6% 0.6–1.7% 0.5–1.9%
Česká strana národně sociální (*) 0.0% 0.6% 0.4–1.0% 0.4–1.1% 0.4–1.2% 0.3–1.4%
Moravané (Greens/EFA) 0.0% 0.2% 0.1–0.4% 0.1–0.5% 0.1–0.6% 0.0–0.7%

Note: The poll result column reflects the actual value used in the calculations. Published results may vary slightly, and in addition be rounded to fewer digits.

Seats

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Confidence Intervals

Party Last Result Median 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
ANO 2011 (PfE) 0 8 8 8 8 7–9
Svoboda a přímá demokracie (ESN) 0 3 3 3 3 2–3
Česká pirátská strana (Greens/EFA) 0 2 2 2 2 2–3
Starostové a nezávislí (EPP) 0 2 2 2 2 2
Občanská demokratická strana (ECR) 0 2 2 2 2 1–2
Motoristé sobě (PfE) 0 1 1 1 1 1
TOP 09 (EPP) 0 1 1 1 1 0–1
Křesťanská a demokratická unie–Československá strana lidová (EPP) 0 1 1 1 1 0–1
Komunistická strana Čech a Moravy–Spojení demokraté - Sdružení nezávislých–Stačilo! (NI) 0 1 1 1 1–2 1–2
Přísaha (PfE) 0 0 0 0 0 0
Sociální demokracie (S&D) 0 0 0 0 0 0
Česká strana národně sociální (*) 0 0 0 0 0 0
Moravané (Greens/EFA) 0 0 0 0 0 0

ANO 2011 (PfE)

For a full overview of the results for this party, see the ANO 2011 (PfE) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 0% 100%  
3 0% 100%  
4 0% 100%  
5 0% 100%  
6 0% 100%  
7 1.2% 100%  
8 98% 98.8% Median
9 1.2% 1.2%  
10 0% 0%  

Svoboda a přímá demokracie (ESN)

For a full overview of the results for this party, see the Svoboda a přímá demokracie (ESN) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 0.8% 100%  
3 99.2% 99.2% Median
4 0.1% 0.1%  
5 0% 0%  

Česká pirátská strana (Greens/EFA)

For a full overview of the results for this party, see the Česká pirátská strana (Greens/EFA) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 99.3% 100% Median
3 0.7% 0.7%  
4 0% 0%  

Starostové a nezávislí (EPP)

For a full overview of the results for this party, see the Starostové a nezávislí (EPP) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 99.5% 100% Median
3 0.5% 0.5%  
4 0% 0%  

Občanská demokratická strana (ECR)

For a full overview of the results for this party, see the Občanská demokratická strana (ECR) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 1.4% 100%  
2 98.6% 98.6% Median
3 0% 0%  

Motoristé sobě (PfE)

For a full overview of the results for this party, see the Motoristé sobě (PfE) page.

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Number of Seats Probability Accumulated Special Marks
0 0.2% 100% Last Result
1 99.8% 99.8% Median
2 0% 0%  

TOP 09 (EPP)

For a full overview of the results for this party, see the TOP 09 (EPP) page.

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Number of Seats Probability Accumulated Special Marks
0 0.6% 100% Last Result
1 99.3% 99.4% Median
2 0.1% 0.1%  
3 0% 0%  

Křesťanská a demokratická unie–Československá strana lidová (EPP)

For a full overview of the results for this party, see the Křesťanská a demokratická unie–Československá strana lidová (EPP) page.

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Number of Seats Probability Accumulated Special Marks
0 1.0% 100% Last Result
1 99.0% 99.0% Median
2 0% 0%  

Komunistická strana Čech a Moravy–Spojení demokraté - Sdružení nezávislých–Stačilo! (NI)

For a full overview of the results for this party, see the Komunistická strana Čech a Moravy–Spojení demokraté - Sdružení nezávislých–Stačilo! (NI) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 97% 100% Median
2 3% 3%  
3 0% 0%  

Přísaha (PfE)

For a full overview of the results for this party, see the Přísaha (PfE) page.

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Number of Seats Probability Accumulated Special Marks
0 100% 100% Last Result, Median

Sociální demokracie (S&D)

For a full overview of the results for this party, see the Sociální demokracie (S&D) page.

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Number of Seats Probability Accumulated Special Marks
0 100% 100% Last Result, Median

Česká strana národně sociální (*)

For a full overview of the results for this party, see the Česká strana národně sociální (*) page.

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Number of Seats Probability Accumulated Special Marks
0 100% 100% Last Result, Median

Moravané (Greens/EFA)

For a full overview of the results for this party, see the Moravané (Greens/EFA) page.

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Number of Seats Probability Accumulated Special Marks
0 100% 100% Last Result, Median

Coalitions

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Confidence Intervals

Coalition Last Result Median Majority? 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
ANO 2011 (PfE) – Motoristé sobě (PfE) – Přísaha (PfE) 0 9 0% 9 9 9 8–10
Starostové a nezávislí (EPP) – TOP 09 (EPP) – Křesťanská a demokratická unie–Československá strana lidová (EPP) 0 4 0% 4 4 4 3–4
Sociální demokracie (S&D) 0 0 0% 0 0 0 0

ANO 2011 (PfE) – Motoristé sobě (PfE) – Přísaha (PfE)

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 0% 100%  
3 0% 100%  
4 0% 100%  
5 0% 100%  
6 0% 100%  
7 0% 100%  
8 1.3% 100%  
9 98% 98.7% Median
10 1.1% 1.1%  
11 0% 0% Majority

Starostové a nezávislí (EPP) – TOP 09 (EPP) – Křesťanská a demokratická unie–Československá strana lidová (EPP)

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 0.1% 100%  
3 1.0% 99.9%  
4 98.7% 98.9% Median
5 0.2% 0.2%  
6 0% 0%  

Sociální demokracie (S&D)

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Number of Seats Probability Accumulated Special Marks
0 100% 100% Last Result, Median

Technical Information

Opinion Poll

Calculations