Current election polls and polling data from CIS

Latest voting intention survey by CIS for Spain

In the latest voting intention survey for the election in Spain conducted by CIS, the parties received the following results: PSOE 32.2%, Partido Popular 28.4%, Vox 12.2%, Sumar 7%, Podemos 4.1%, SALF 2.8%, ERC 1.7%, Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco 1.2%, Junts per Catalunya 1.2%, EH Bildu 1.1%, Galego 0.9%, Coalición Canaria 0.3% and UPN 0.1%. The voting intention survey interviewed a total of 4621 people during the period 09.12.2024 - 09.12.2024.
4621 participants
02.12.2024 - 09.12.2024
CIS
PSOE
32.2
-2.0
PP
28.4
-0.9
Vox
12.2
+0.4
Sumar
7.0
±0.0
POD
4.1
+0.7
SALF
2.8
+0.8
ERC
1.7
+0.2
PNV
1.2
+0.4
JxC
1.2
-0.5
Bildu
1.1
+0.1
BNG
0.9
+0.1
CC
0.3
±0.0
UPN
0.1
±0.0
Others
6.8
+0.7

Seats in parliament

350
Majority requires 176 seats
Sumar
29
8.3%
POD
17
4.9%
PSOE
135
38.6%
PP
118
33.7%
Vox
51
14.6%
PSOE + Partido Popular
72.3%
PSOE + Sumar + Podemos
51.7%

61

PolitPro Score

CIS achieves a score of 61/100 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 %)

Lower
Similar
Higher
Bildu
0
100
0
ERC
2
95
3
JxC
0
100
0
PNV
0
100
0
POD
0
92
8
PP
79
16
5
PSOE
0
9
91
SALF
20
80
0
Sumar
9
55
36
Vox
69
28
4

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

1.5

Average deviation

On average, party poll results in CIS pre-election polls deviate from the actual result by 1.5 percentage points.

Average Deviation of Pre-Election Polls from the Results of Recent Elections

Deviation Election Rank
1.5
Parliamentary Election in Spanien 2023 2/10

How is an institute’s accuracy calculated?

The accuracy indicates how closely pre-election polls matched the actual election results.