Opinion Poll by More in Common, 21–25 October 2026
Voting Intentions | Seats | Coalitions | Technical Information
Voting Intentions

Confidence Intervals
| Party | Last Result | Poll Result | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|
| Partido Popular (EPP) | 0.0% | 28.3% | 27.1–29.5% | 26.7–29.9% | 26.4–30.2% | 25.9–30.8% |
| Partido Socialista Obrero Español (S&D) | 0.0% | 27.6% | 26.4–28.9% | 26.1–29.2% | 25.8–29.5% | 25.2–30.1% |
| Vox (PfE) | 0.0% | 20.8% | 19.7–22.0% | 19.4–22.3% | 19.2–22.6% | 18.7–23.1% |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0.0% | 4.4% | 3.9–5.1% | 3.8–5.2% | 3.6–5.4% | 3.4–5.7% |
| Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0.0% | 3.3% | 2.9–3.9% | 2.8–4.1% | 2.7–4.2% | 2.5–4.5% |
| Podemos (GUE/NGL) | 0.0% | 2.6% | 2.2–3.1% | 2.1–3.2% | 2.0–3.3% | 1.8–3.6% |
| Se Acabó La Fiesta (NI) | 0.0% | 2.4% | 2.0–2.9% | 1.9–3.0% | 1.8–3.1% | 1.7–3.4% |
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


Confidence Intervals
| Party | Last Result | Median | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|
| Partido Popular (EPP) | 0 | 20 | 19–21 | 19–21 | 18–21 | 18–22 |
| Partido Socialista Obrero Español (S&D) | 0 | 19 | 18–20 | 18–20 | 18–21 | 18–21 |
| Vox (PfE) | 0 | 14 | 14–15 | 13–15 | 13–16 | 13–16 |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0 | 3 | 3 | 2–4 | 2–4 | 2–4 |
| Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0 | 2 | 2–3 | 2–3 | 2–3 | 1–3 |
| Podemos (GUE/NGL) | 0 | 1 | 1–2 | 1–2 | 1–2 | 1–2 |
| Se Acabó La Fiesta (NI) | 0 | 1 | 1–2 | 1–2 | 1–2 | 1–2 |
Partido Popular (EPP)
For a full overview of the results for this party, see the Partido Popular (EPP) page.

| 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% | 100% | |
| 16 | 0% | 100% | |
| 17 | 0% | 100% | |
| 18 | 3% | 100% | |
| 19 | 34% | 97% | |
| 20 | 49% | 63% | Median |
| 21 | 13% | 14% | |
| 22 | 0.6% | 0.7% | |
| 23 | 0% | 0% |
Partido Socialista Obrero Español (S&D)
For a full overview of the results for this party, see the Partido Socialista Obrero Español (S&D) page.

| 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% | 100% | |
| 16 | 0% | 100% | |
| 17 | 0.4% | 100% | |
| 18 | 14% | 99.6% | |
| 19 | 50% | 86% | Median |
| 20 | 32% | 36% | |
| 21 | 4% | 4% | |
| 22 | 0.1% | 0.1% | |
| 23 | 0% | 0% |
Vox (PfE)
For a full overview of the results for this party, see the Vox (PfE) page.

| 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 | 0.1% | 100% | |
| 13 | 7% | 99.9% | |
| 14 | 46% | 93% | Median |
| 15 | 44% | 48% | |
| 16 | 4% | 4% | |
| 17 | 0.1% | 0.1% | |
| 18 | 0% | 0% |
Movimiento Sumar–Izquierda Unida (GUE/NGL)
For a full overview of the results for this party, see the Movimiento Sumar–Izquierda Unida (GUE/NGL) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 0% | 100% | |
| 2 | 7% | 100% | |
| 3 | 83% | 93% | Median |
| 4 | 10% | 10% | |
| 5 | 0% | 0% |
Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA)
For a full overview of the results for this party, see the Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 1.4% | 100% | |
| 2 | 88% | 98.6% | Median |
| 3 | 11% | 11% | |
| 4 | 0% | 0% |
Podemos (GUE/NGL)
For a full overview of the results for this party, see the Podemos (GUE/NGL) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 70% | 100% | Median |
| 2 | 30% | 30% | |
| 3 | 0% | 0% |
Se Acabó La Fiesta (NI)
For a full overview of the results for this party, see the Se Acabó La Fiesta (NI) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 86% | 100% | Median |
| 2 | 14% | 14% | |
| 3 | 0% | 0% |
Coalitions

Confidence Intervals
| Coalition | Last Result | Median | Majority? | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|---|
| Partido Popular (EPP) | 0 | 20 | 0% | 19–21 | 19–21 | 18–21 | 18–22 |
| Partido Socialista Obrero Español (S&D) | 0 | 19 | 0% | 18–20 | 18–20 | 18–21 | 18–21 |
| Vox (PfE) | 0 | 14 | 0% | 14–15 | 13–15 | 13–16 | 13–16 |
Partido Popular (EPP)

| 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% | 100% | |
| 16 | 0% | 100% | |
| 17 | 0% | 100% | |
| 18 | 3% | 100% | |
| 19 | 34% | 97% | |
| 20 | 49% | 63% | Median |
| 21 | 13% | 14% | |
| 22 | 0.6% | 0.7% | |
| 23 | 0% | 0% |
Partido Socialista Obrero Español (S&D)

| 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% | 100% | |
| 16 | 0% | 100% | |
| 17 | 0.4% | 100% | |
| 18 | 14% | 99.6% | |
| 19 | 50% | 86% | Median |
| 20 | 32% | 36% | |
| 21 | 4% | 4% | |
| 22 | 0.1% | 0.1% | |
| 23 | 0% | 0% |
Vox (PfE)

| 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 | 0.1% | 100% | |
| 13 | 7% | 99.9% | |
| 14 | 46% | 93% | Median |
| 15 | 44% | 48% | |
| 16 | 4% | 4% | |
| 17 | 0.1% | 0.1% | |
| 18 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: More in Common
- Commissioner(s): —
- Fieldwork period: 21–25 October 2026
Calculations
- Sample size: 2210
- Simulations done: 1,048,576
- Error estimate: 0.58%