Opinion Poll by SocioMétrica for El Español, 24–28 September 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% | 33.9% | 32.2–35.7% | 31.7–36.2% | 31.3–36.7% | 30.5–37.5% |
| Partido Socialista Obrero Español (S&D) | 0.0% | 25.7% | 24.1–27.3% | 23.7–27.8% | 23.3–28.2% | 22.5–29.0% |
| Vox (PfE) | 0.0% | 18.0% | 16.6–19.5% | 16.2–19.9% | 15.9–20.3% | 15.3–21.0% |
| Podemos (GUE/NGL) | 0.0% | 3.3% | 2.8–4.1% | 2.6–4.3% | 2.5–4.5% | 2.2–4.9% |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0.0% | 3.2% | 2.7–4.0% | 2.5–4.2% | 2.4–4.4% | 2.1–4.8% |
| Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0.0% | 2.4% | 1.9–3.1% | 1.8–3.3% | 1.7–3.5% | 1.5–3.8% |
| Se Acabó La Fiesta (NI) | 0.0% | 2.0% | 1.6–2.6% | 1.4–2.8% | 1.3–3.0% | 1.2–3.3% |
| Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA) | 0.0% | 2.0% | 1.6–2.6% | 1.4–2.8% | 1.3–3.0% | 1.2–3.3% |
| Euskal Herria Bildu (GUE/NGL) | 0.0% | 1.4% | 1.1–2.0% | 1.0–2.1% | 0.9–2.3% | 0.7–2.6% |
| Junts per Catalunya (NI) | 0.0% | 1.2% | 0.9–1.7% | 0.8–1.8% | 0.7–2.0% | 0.6–2.2% |
| Bloque Nacionalista Galego–Nós Candidatura Galega (Greens/EFA) | 0.0% | 1.0% | 0.7–1.5% | 0.6–1.6% | 0.6–1.8% | 0.5–2.0% |
| Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco (RE) | 0.0% | 0.9% | 0.6–1.4% | 0.6–1.5% | 0.5–1.6% | 0.4–1.9% |
| Coalición Canaria–Partido Nacionalista Canario (RE) | 0.0% | 0.6% | 0.4–1.0% | 0.3–1.1% | 0.3–1.2% | 0.2–1.4% |
| Unión del Pueblo Navarro (*) | 0.0% | 0.2% | 0.1–0.5% | 0.1–0.5% | 0.0–0.6% | 0.0–0.8% |
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 | 22 | 22 | 22–23 | 21–24 | 21–25 |
| Partido Socialista Obrero Español (S&D) | 0 | 18 | 17–18 | 17–18 | 16–18 | 16–20 |
| Vox (PfE) | 0 | 12 | 11–12 | 11–12 | 11–13 | 10–13 |
| Podemos (GUE/NGL) | 0 | 2 | 2 | 2 | 2–3 | 1–3 |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0 | 2 | 2 | 2–3 | 2–3 | 2–3 |
| Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0 | 2 | 2 | 1–2 | 1–2 | 1–2 |
| Se Acabó La Fiesta (NI) | 0 | 1 | 1–2 | 1–2 | 1–2 | 0–2 |
| Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA) | 0 | 1 | 1 | 1 | 1 | 0–2 |
| Euskal Herria Bildu (GUE/NGL) | 0 | 0 | 0–1 | 0–1 | 0–1 | 0–1 |
| Junts per Catalunya (NI) | 0 | 0 | 0–1 | 0–1 | 0–1 | 0–1 |
| Bloque Nacionalista Galego–Nós Candidatura Galega (Greens/EFA) | 0 | 0 | 0 | 0–1 | 0–1 | 0–1 |
| Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco (RE) | 0 | 0 | 0 | 0 | 0 | 0–1 |
| Coalición Canaria–Partido Nacionalista Canario (RE) | 0 | 0 | 0 | 0 | 0 | 0 |
| Unión del Pueblo Navarro (*) | 0 | 0 | 0 | 0 | 0 | 0 |
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 | 0% | 100% | |
| 19 | 0% | 100% | |
| 20 | 0.4% | 100% | |
| 21 | 4% | 99.6% | |
| 22 | 85% | 95% | Median |
| 23 | 7% | 10% | |
| 24 | 2% | 3% | |
| 25 | 1.0% | 1.0% | |
| 26 | 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 | 0.4% | 100% | |
| 16 | 3% | 99.6% | |
| 17 | 13% | 96% | |
| 18 | 81% | 83% | Median |
| 19 | 1.0% | 2% | |
| 20 | 0.8% | 0.8% | |
| 21 | 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 | 1.3% | 100% | |
| 11 | 10% | 98.7% | |
| 12 | 86% | 88% | Median |
| 13 | 2% | 3% | |
| 14 | 0.2% | 0.3% | |
| 15 | 0.1% | 0.1% | |
| 16 | 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 | 1.3% | 100% | |
| 2 | 95% | 98.7% | Median |
| 3 | 4% | 4% | |
| 4 | 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 | 0.3% | 100% | |
| 2 | 90% | 99.7% | Median |
| 3 | 10% | 10% | |
| 4 | 0.1% | 0.1% | |
| 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 | 6% | 100% | |
| 2 | 94% | 94% | Median |
| 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 | 1.3% | 100% | Last Result |
| 1 | 50% | 98.7% | Median |
| 2 | 49% | 49% | |
| 3 | 0% | 0% |
Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA)
For a full overview of the results for this party, see the Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0.7% | 100% | Last Result |
| 1 | 98.5% | 99.3% | Median |
| 2 | 0.8% | 0.8% | |
| 3 | 0% | 0% |
Euskal Herria Bildu (GUE/NGL)
For a full overview of the results for this party, see the Euskal Herria Bildu (GUE/NGL) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 58% | 100% | Last Result, Median |
| 1 | 42% | 42% | |
| 2 | 0.1% | 0.1% | |
| 3 | 0% | 0% |
Junts per Catalunya (NI)
For a full overview of the results for this party, see the Junts per Catalunya (NI) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 84% | 100% | Last Result, Median |
| 1 | 16% | 16% | |
| 2 | 0% | 0% |
Bloque Nacionalista Galego–Nós Candidatura Galega (Greens/EFA)
For a full overview of the results for this party, see the Bloque Nacionalista Galego–Nós Candidatura Galega (Greens/EFA) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 94% | 100% | Last Result, Median |
| 1 | 6% | 6% | |
| 2 | 0% | 0% |
Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco (RE)
For a full overview of the results for this party, see the Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco (RE) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 98% | 100% | Last Result, Median |
| 1 | 2% | 2% | |
| 2 | 0% | 0% |
Coalición Canaria–Partido Nacionalista Canario (RE)
For a full overview of the results for this party, see the Coalición Canaria–Partido Nacionalista Canario (RE) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 99.8% | 100% | Last Result, Median |
| 1 | 0.2% | 0.2% | |
| 2 | 0% | 0% |
Unión del Pueblo Navarro (*)
For a full overview of the results for this party, see the Unión del Pueblo Navarro (*) page.

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

Confidence Intervals
| Coalition | Last Result | Median | Majority? | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|---|
| Partido Popular (EPP) | 0 | 22 | 0% | 22 | 22–23 | 21–24 | 21–25 |
| Partido Socialista Obrero Español (S&D) | 0 | 18 | 0% | 17–18 | 17–18 | 16–18 | 16–20 |
| Vox (PfE) | 0 | 12 | 0% | 11–12 | 11–12 | 11–13 | 10–13 |
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 | 0% | 100% | |
| 19 | 0% | 100% | |
| 20 | 0.4% | 100% | |
| 21 | 4% | 99.6% | |
| 22 | 85% | 95% | Median |
| 23 | 7% | 10% | |
| 24 | 2% | 3% | |
| 25 | 1.0% | 1.0% | |
| 26 | 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 | 0.4% | 100% | |
| 16 | 3% | 99.6% | |
| 17 | 13% | 96% | |
| 18 | 81% | 83% | Median |
| 19 | 1.0% | 2% | |
| 20 | 0.8% | 0.8% | |
| 21 | 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 | 1.3% | 100% | |
| 11 | 10% | 98.7% | |
| 12 | 86% | 88% | Median |
| 13 | 2% | 3% | |
| 14 | 0.2% | 0.3% | |
| 15 | 0.1% | 0.1% | |
| 16 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: SocioMétrica
- Commissioner(s): El Español
- Fieldwork period: 24–28 September 2026
Calculations
- Sample size: 1200
- Simulations done: 2,097,152
- Error estimate: 1.54%