Opinion Poll by IBRiS for Rzeczpospolita, 21–22 August 2026

Voting Intentions | Seats | Coalitions | Technical Information

Voting Intentions

Graph with voting intentions not yet produced

Confidence Intervals

Party Last Result Poll Result 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Platforma Obywatelska (EPP) 0.0% 30.0% 28.1–31.9% 27.6–32.5% 27.1–33.0% 26.3–33.9%
Zjednoczona Prawica (ECR) 0.0% 20.1% 18.5–21.8% 18.0–22.3% 17.7–22.7% 16.9–23.6%
Konfederacja Korony Polskiej (NI) 0.0% 9.8% 8.6–11.1% 8.3–11.5% 8.1–11.8% 7.5–12.5%
Nowa Nadzieja (ESN) 0.0% 8.4% 7.4–9.7% 7.1–10.0% 6.8–10.4% 6.4–11.0%
Nowa Lewica (S&D) 0.0% 7.3% 6.3–8.5% 6.0–8.8% 5.8–9.1% 5.4–9.7%
Rozwój Plus (ECR) 0.0% 7.1% 6.1–8.3% 5.8–8.6% 5.6–8.9% 5.2–9.5%
Ruch Narodowy (PfE) 0.0% 6.2% 5.3–7.4% 5.1–7.7% 4.9–8.0% 4.5–8.5%
Lewica Razem (GUE/NGL) 0.0% 5.1% 4.3–6.1% 4.1–6.4% 3.9–6.7% 3.5–7.2%
Polskie Stronnictwo Ludowe (EPP) 0.0% 3.9% 3.2–4.8% 3.0–5.0% 2.8–5.3% 2.5–5.7%
Polska 2050 (RE) 0.0% 0.9% 0.6–1.5% 0.6–1.6% 0.5–1.8% 0.4–2.1%
Partia Zieloni (Greens/EFA) 0.0% 0.6% 0.4–1.1% 0.3–1.2% 0.3–1.4% 0.2–1.6%
Inicjatywa Polska (EPP) 0.0% 0.6% 0.4–1.1% 0.3–1.2% 0.3–1.4% 0.2–1.6%

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

Graph with seats not yet produced

Graph with seating plan not yet produced

Confidence Intervals

Party Last Result Median 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Platforma Obywatelska (EPP) 0 18 18–19 17–20 17–20 16–21
Zjednoczona Prawica (ECR) 0 12 10–13 10–13 10–13 10–14
Konfederacja Korony Polskiej (NI) 0 5 5–6 5–6 4–6 4–7
Nowa Nadzieja (ESN) 0 6 4–6 4–6 4–6 3–6
Nowa Lewica (S&D) 0 5 3–5 3–5 3–5 3–5
Rozwój Plus (ECR) 0 4 3–4 3–4 3–5 3–5
Ruch Narodowy (PfE) 0 3 3–4 3–4 3–4 2–5
Lewica Razem (GUE/NGL) 0 0 0–3 0–3 0–3 0–3
Polskie Stronnictwo Ludowe (EPP) 0 0 0 0 0 0–3
Polska 2050 (RE) 0 0 0 0 0 0
Partia Zieloni (Greens/EFA) 0 0 0 0 0–1 0–1
Inicjatywa Polska (EPP) 0 0 0 0 0 0

Platforma Obywatelska (EPP)

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

Graph with seats probability mass function not yet produced

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 0% 100%  
9 0% 100%  
10 0% 100%  
11 0% 100%  
12 0% 100%  
13 0% 100%  
14 0% 100%  
15 0.2% 100%  
16 0.8% 99.8%  
17 8% 99.1%  
18 78% 91% Median
19 5% 13%  
20 7% 8%  
21 1.2% 1.2%  
22 0.1% 0.1%  
23 0% 0%  

Zjednoczona Prawica (ECR)

For a full overview of the results for this party, see the Zjednoczona Prawica (ECR) page.

Graph with seats probability mass function not yet produced

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 0% 100%  
9 0.2% 100%  
10 12% 99.8%  
11 9% 88%  
12 60% 79% Median
13 18% 19%  
14 2% 2%  
15 0% 0%  

Konfederacja Korony Polskiej (NI)

For a full overview of the results for this party, see the Konfederacja Korony Polskiej (NI) page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 0% 100%  
3 0% 100%  
4 3% 100%  
5 78% 97% Median
6 18% 19%  
7 1.2% 1.3%  
8 0.1% 0.1%  
9 0% 0%  

Nowa Nadzieja (ESN)

For a full overview of the results for this party, see the Nowa Nadzieja (ESN) page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 0% 100%  
3 1.3% 100%  
4 20% 98.7%  
5 22% 78%  
6 56% 56% Median
7 0.2% 0.3%  
8 0% 0%  

Nowa Lewica (S&D)

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 0.2% 100% Last Result
1 0% 99.8%  
2 0.1% 99.8%  
3 12% 99.7%  
4 24% 88%  
5 64% 64% Median
6 0.1% 0.1%  
7 0% 0%  

Rozwój Plus (ECR)

For a full overview of the results for this party, see the Rozwój Plus (ECR) page.

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 0.1% 100% Last Result
1 0% 99.9%  
2 0.2% 99.9%  
3 16% 99.7%  
4 80% 83% Median
5 3% 3%  
6 0.1% 0.1%  
7 0% 0%  

Ruch Narodowy (PfE)

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 1.2% 100%  
3 71% 98.8% Median
4 26% 28%  
5 2% 2%  
6 0% 0%  

Lewica Razem (GUE/NGL)

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 75% 100% Last Result, Median
1 0% 25%  
2 1.1% 25%  
3 24% 24%  
4 0.4% 0.4%  
5 0% 0%  

Polskie Stronnictwo Ludowe (EPP)

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 98.6% 100% Last Result, Median
1 0% 1.4%  
2 0.1% 1.4%  
3 1.3% 1.3%  
4 0% 0%  

Polska 2050 (RE)

For a full overview of the results for this party, see the Polska 2050 (RE) page.

Graph with seats probability mass function not yet produced

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

Partia Zieloni (Greens/EFA)

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

Graph with seats probability mass function not yet produced

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

Inicjatywa Polska (EPP)

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

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 99.7% 100% Last Result, Median
1 0.3% 0.3%  
2 0% 0%  

Coalitions

Graph with coalitions seats not yet produced

Confidence Intervals

Coalition Last Result Median Majority? 80% Confidence Interval 90% Confidence Interval 95% Confidence Interval 99% Confidence Interval
Nowa Nadzieja (ESN) 0 6 0% 4–6 4–6 4–6 3–6
Ruch Narodowy (PfE) 0 3 0% 3–4 3–4 3–4 2–5
Lewica Razem (GUE/NGL) 0 0 0% 0–3 0–3 0–3 0–3
Partia Zieloni (Greens/EFA) 0 0 0% 0 0 0–1 0–1

Nowa Nadzieja (ESN)

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 0% 100%  
3 1.3% 100%  
4 20% 98.7%  
5 22% 78%  
6 56% 56% Median
7 0.2% 0.3%  
8 0% 0%  

Ruch Narodowy (PfE)

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 0% 100% Last Result
1 0% 100%  
2 1.2% 100%  
3 71% 98.8% Median
4 26% 28%  
5 2% 2%  
6 0% 0%  

Lewica Razem (GUE/NGL)

Graph with seats probability mass function not yet produced

Number of Seats Probability Accumulated Special Marks
0 75% 100% Last Result, Median
1 0% 25%  
2 1.1% 25%  
3 24% 24%  
4 0.4% 0.4%  
5 0% 0%  

Partia Zieloni (Greens/EFA)

Graph with seats probability mass function not yet produced

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

Technical Information

Opinion Poll

Calculations