Latest voting intention survey by IBRiS for Poland
In the latest voting intention survey for the election in Poland conducted by IBRiS, the parties received the following results: KO 33.6%, PiS 29.5%, Kon 21.6%, Lewica 6.6%, PL2050/PSL 5.3% and Razem 3.2%. The voting intention survey interviewed a total of 1069 people during the period 07.06.2025 - 07.06.2025. The survey was commissioned by Rzeczpospolita.
1069 participants
06.06.2025 - 07.06.2025
IBRiS
Rzeczpospolita
Development since the last election on 15.10.2023
Seats in parliament
460
Majority requires 231 seats
Lewica
31
6.7%
PL2050/PSL
25
5.4%
KO
160
34.8%
PiS
141
30.7%
Kon
103
22.4%
KO + PiS
KO + Kon
PiS + Kon
66
PolitPro Score
IBRiS achieves a score of 66/100 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 %)
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
2.3
Average deviation
On average, party poll results in IBRiS pre-election polls deviate from the actual result by 2.3 percentage points.
Average Deviation of Pre-Election Polls from the Results of Recent Elections
| Deviation | Election | Rank |
|---|---|---|
|
1.95
|
Parliamentary Election in Poland 2023 | 5/11 |
|
2.55
|
Parliamentary Election in Poland 2019 | 8/9 |
How is an institute’s accuracy calculated?
The accuracy indicates how closely pre-election polls matched the actual election results.