Opinion Poll by Mediana for Delo, 1–4 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
Slovenska demokratska stranka (EPP) 0.0% 30.4% 27.8–33.1% 27.1–33.9% 26.5–34.6% 25.3–35.9%
Gibanje Svoboda (RE) 0.0% 20.7% 18.5–23.2% 17.9–23.9% 17.4–24.5% 16.4–25.7%
Socialni demokrati (S&D) 0.0% 7.8% 6.5–9.6% 6.1–10.1% 5.8–10.6% 5.2–11.5%
Nova Slovenija–Krščanski demokrati (EPP) 0.0% 6.4% 5.2–8.1% 4.9–8.5% 4.6–9.0% 4.1–9.8%
Demokrati (EPP) 0.0% 5.6% 4.5–7.2% 4.2–7.6% 3.9–8.0% 3.4–8.8%
Piratska stranka Slovenije (Greens/EFA) 0.0% 5.0% 4.0–6.5% 3.7–7.0% 3.4–7.3% 3.0–8.1%
Levica (GUE/NGL) 0.0% 5.0% 4.0–6.5% 3.7–7.0% 3.4–7.3% 3.0–8.1%
Resni.ca (NI) 0.0% 4.6% 3.6–6.1% 3.3–6.5% 3.1–6.9% 2.7–7.6%
Slovenska nacionalna stranka (PfE) 0.0% 3.6% 2.7–4.9% 2.5–5.3% 2.3–5.7% 2.0–6.4%
VESNA–Zelena stranka (Greens/EFA) 0.0% 3.6% 2.7–4.9% 2.5–5.3% 2.3–5.7% 2.0–6.4%
Slovenska ljudska stranka (EPP) 0.0% 1.2% 0.8–2.1% 0.7–2.4% 0.6–2.6% 0.4–3.1%

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
Slovenska demokratska stranka (EPP) 0 4 4–5 4–5 3–5 3–5
Gibanje Svoboda (RE) 0 3 2–3 2–3 2–3 2–4
Socialni demokrati (S&D) 0 1 0–1 0–1 0–1 0–1
Nova Slovenija–Krščanski demokrati (EPP) 0 1 0–1 0–1 0–1 0–1
Demokrati (EPP) 0 0 0–1 0–1 0–1 0–1
Piratska stranka Slovenije (Greens/EFA) 0 0 0 0–1 0–1 0–1
Levica (GUE/NGL) 0 0 0–1 0–1 0–1 0–1
Resni.ca (NI) 0 0 0 0 0–1 0–1
Slovenska nacionalna stranka (PfE) 0 0 0 0 0 0
VESNA–Zelena stranka (Greens/EFA) 0 0 0 0 0 0–1
Slovenska ljudska stranka (EPP) 0 0 0 0 0 0

Slovenska demokratska stranka (EPP)

For a full overview of the results for this party, see the Slovenska demokratska stranka (EPP) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 0% 100%  
3 3% 100%  
4 75% 97% Median
5 22% 22% Majority
6 0.1% 0.1%  
7 0% 0%  

Gibanje Svoboda (RE)

For a full overview of the results for this party, see the Gibanje Svoboda (RE) page.

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Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 28% 100%  
3 71% 72% Median
4 1.2% 1.2%  
5 0% 0% Majority

Socialni demokrati (S&D)

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

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Number of Seats Probability Accumulated Special Marks
0 20% 100% Last Result
1 80% 80% Median
2 0% 0%  

Nova Slovenija–Krščanski demokrati (EPP)

For a full overview of the results for this party, see the Nova Slovenija–Krščanski demokrati (EPP) page.

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Number of Seats Probability Accumulated Special Marks
0 48% 100% Last Result
1 52% 52% Median
2 0% 0%  

Demokrati (EPP)

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

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Number of Seats Probability Accumulated Special Marks
0 77% 100% Last Result, Median
1 23% 23%  
2 0% 0%  

Piratska stranka Slovenije (Greens/EFA)

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

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Number of Seats Probability Accumulated Special Marks
0 91% 100% Last Result, Median
1 9% 9%  
2 0% 0%  

Levica (GUE/NGL)

For a full overview of the results for this party, see the Levica (GUE/NGL) page.

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Number of Seats Probability Accumulated Special Marks
0 86% 100% Last Result, Median
1 14% 14%  
2 0% 0%  

Resni.ca (NI)

For a full overview of the results for this party, see the Resni.ca (NI) page.

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Number of Seats Probability Accumulated Special Marks
0 96% 100% Last Result, Median
1 4% 4%  
2 0% 0%  

Slovenska nacionalna stranka (PfE)

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

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Number of Seats Probability Accumulated Special Marks
0 99.6% 100% Last Result, Median
1 0.4% 0.4%  
2 0% 0%  

VESNA–Zelena stranka (Greens/EFA)

For a full overview of the results for this party, see the VESNA–Zelena stranka (Greens/EFA) page.

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

Slovenska ljudska stranka (EPP)

For a full overview of the results for this party, see the Slovenska ljudska stranka (EPP) 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
Levica (GUE/NGL) 0 0 0% 0–1 0–1 0–1 0–1
Resni.ca (NI) 0 0 0% 0 0 0–1 0–1
Socialni demokrati (S&D) 0 1 0% 0–1 0–1 0–1 0–1
Slovenska nacionalna stranka (PfE) 0 0 0% 0 0 0 0

Levica (GUE/NGL)

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Number of Seats Probability Accumulated Special Marks
0 86% 100% Last Result, Median
1 14% 14%  
2 0% 0%  

Resni.ca (NI)

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Number of Seats Probability Accumulated Special Marks
0 96% 100% Last Result, Median
1 4% 4%  
2 0% 0%  

Socialni demokrati (S&D)

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Number of Seats Probability Accumulated Special Marks
0 20% 100% Last Result
1 80% 80% Median
2 0% 0%  

Slovenska nacionalna stranka (PfE)

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Number of Seats Probability Accumulated Special Marks
0 99.6% 100% Last Result, Median
1 0.4% 0.4%  
2 0% 0%  

Technical Information

Opinion Poll

Calculations