Latest voting intention survey by 40dB for Spain
In the latest voting intention survey for the election in Spain conducted by 40dB, the parties received the following results: Partido Popular 32.8%, PSOE 29.8%, Vox 13.9%, Sumar 5.4%, Podemos 3.8% and SALF 1.6%. The voting intention survey interviewed a total of 2000 people during the period 25.05.2025 - 25.05.2025.
2000 participants
23.05.2025 - 25.05.2025
40dB
Seats in parliament
350
Majority requires 176 seats
Sumar
22
6.3%
POD
15
4.3%
PSOE
122
34.9%
PP
134
38.3%
Vox
57
16.3%
Partido Popular + PSOE
Partido Popular + Vox
PSOE + Sumar + Podemos
81
PolitPro Score
40dB achieves a score of 81/100 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
1.0
Average deviation
On average, party poll results in 40dB pre-election polls deviate from the actual result by 1.0 percentage points.
Average Deviation of Pre-Election Polls from the Results of Recent Elections
| Deviation | Election | Rank |
|---|---|---|
|
0.9
|
Parliamentary Election in Spanien 2019 | 4/19 |
|
1.15
|
Parliamentary Election in Spanien 2019 | 5/15 |
How is an institute’s accuracy calculated?
The accuracy indicates how closely pre-election polls matched the actual election results.