Opinion Poll by Sigma Dos for El Mundo, 20–27 September 2024
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% | 35.5% | 34.1–36.9% | 33.7–37.3% | 33.4–37.7% | 32.7–38.4% |
| Partido Socialista Obrero Español (S&D) | 0.0% | 28.7% | 27.4–30.1% | 27.0–30.5% | 26.7–30.8% | 26.1–31.4% |
| Vox (PfE) | 0.0% | 9.5% | 8.7–10.4% | 8.4–10.7% | 8.2–10.9% | 7.9–11.3% |
| Movimiento Sumar–Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0.0% | 4.3% | 3.7–5.0% | 3.6–5.1% | 3.5–5.3% | 3.2–5.6% |
| Podemos (GUE/NGL) | 0.0% | 3.4% | 2.9–4.0% | 2.8–4.2% | 2.7–4.3% | 2.5–4.6% |
| Se Acabó La Fiesta (NI) | 0.0% | 3.3% | 2.8–3.9% | 2.7–4.1% | 2.6–4.2% | 2.4–4.5% |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0.0% | 2.6% | 2.2–3.2% | 2.1–3.3% | 2.0–3.4% | 1.8–3.7% |
| Junts per Catalunya (NI) | 0.0% | 1.9% | 1.5–2.4% | 1.4–2.5% | 1.4–2.6% | 1.2–2.9% |
| Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA) | 0.0% | 1.8% | 1.4–2.2% | 1.4–2.4% | 1.3–2.5% | 1.1–2.7% |
| Euskal Herria Bildu (GUE/NGL) | 0.0% | 1.3% | 1.0–1.7% | 0.9–1.8% | 0.9–1.9% | 0.8–2.1% |
| Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco (RE) | 0.0% | 1.3% | 1.0–1.7% | 0.9–1.8% | 0.9–1.9% | 0.8–2.1% |
| Bloque Nacionalista Galego–Nós Candidatura Galega (Greens/EFA) | 0.0% | 0.8% | 0.6–1.1% | 0.5–1.2% | 0.5–1.3% | 0.4–1.5% |
| Coalición Canaria–Partido Nacionalista Canario (RE) | 0.0% | 0.6% | 0.4–0.9% | 0.4–1.0% | 0.3–1.0% | 0.3–1.2% |
| Unión del Pueblo Navarro (*) | 0.0% | 0.2% | 0.1–0.4% | 0.1–0.5% | 0.1–0.5% | 0.0–0.7% |
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 | 24 | 23–25 | 23–26 | 23–26 | 23–26 |
| Partido Socialista Obrero Español (S&D) | 0 | 20 | 19–21 | 19–21 | 19–21 | 18–21 |
| Vox (PfE) | 0 | 7 | 6–7 | 6–7 | 5–7 | 5–7 |
| Movimiento Sumar–Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0 | 2 | 2–3 | 2–3 | 2–3 | 2–3 |
| Podemos (GUE/NGL) | 0 | 2 | 2 | 2 | 2 | 1–2 |
| Se Acabó La Fiesta (NI) | 0 | 2 | 1–2 | 1–2 | 1–2 | 1–3 |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0 | 1 | 1–2 | 1–2 | 1–2 | 1–2 |
| Junts per Catalunya (NI) | 0 | 1 | 1 | 0–1 | 0–1 | 0–1 |
| Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA) | 0 | 1 | 1 | 0–1 | 0–1 | 0–1 |
| Euskal Herria Bildu (GUE/NGL) | 0 | 0 | 0–1 | 0–1 | 0–1 | 0–1 |
| Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco (RE) | 0 | 1 | 1 | 0–1 | 0–1 | 0–1 |
| Bloque Nacionalista Galego–Nós Candidatura Galega (Greens/EFA) | 0 | 0 | 0 | 0 | 0 | 0 |
| 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% | 100% | |
| 21 | 0% | 100% | |
| 22 | 0.1% | 100% | |
| 23 | 37% | 99.9% | |
| 24 | 48% | 63% | Median |
| 25 | 8% | 15% | |
| 26 | 7% | 7% | |
| 27 | 0.4% | 0.4% | |
| 28 | 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% | 100% | |
| 18 | 1.3% | 100% | |
| 19 | 29% | 98.7% | |
| 20 | 41% | 70% | Median |
| 21 | 29% | 29% | |
| 22 | 0.3% | 0.3% | |
| 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 | 3% | 100% | |
| 6 | 38% | 97% | |
| 7 | 58% | 58% | Median |
| 8 | 0.1% | 0.1% | |
| 9 | 0% | 0% |
Movimiento Sumar–Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA)
For a full overview of the results for this party, see the Movimiento Sumar–Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0% | 100% | Last Result |
| 1 | 0% | 100% | |
| 2 | 53% | 100% | Median |
| 3 | 47% | 47% | |
| 4 | 0.2% | 0.2% | |
| 5 | 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 | 0.6% | 100% | |
| 2 | 99.0% | 99.4% | Median |
| 3 | 0.4% | 0.4% | |
| 4 | 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 | 37% | 100% | |
| 2 | 61% | 63% | Median |
| 3 | 1.5% | 1.5% | |
| 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 | 74% | 100% | Median |
| 2 | 26% | 26% | |
| 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 | 6% | 100% | Last Result |
| 1 | 94% | 94% | Median |
| 2 | 0.1% | 0.1% | |
| 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 | 8% | 100% | Last Result |
| 1 | 92% | 92% | Median |
| 2 | 0.2% | 0.2% | |
| 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 | 54% | 100% | Last Result, Median |
| 1 | 46% | 46% | |
| 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 | 9% | 100% | Last Result |
| 1 | 91% | 91% | Median |
| 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 | 99.5% | 100% | Last Result, Median |
| 1 | 0.5% | 0.5% | |
| 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 | 100% | 100% | Last Result, Median |
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 | 24 | 0% | 23–25 | 23–26 | 23–26 | 23–26 |
| Partido Socialista Obrero Español (S&D) | 0 | 20 | 0% | 19–21 | 19–21 | 19–21 | 18–21 |
| Vox (PfE) | 0 | 7 | 0% | 6–7 | 6–7 | 5–7 | 5–7 |
| Unión del Pueblo Navarro (*) | 0 | 0 | 0% | 0 | 0 | 0 | 0 |
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% | 100% | |
| 21 | 0% | 100% | |
| 22 | 0.1% | 100% | |
| 23 | 37% | 99.9% | |
| 24 | 48% | 63% | Median |
| 25 | 8% | 15% | |
| 26 | 7% | 7% | |
| 27 | 0.4% | 0.4% | |
| 28 | 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% | 100% | |
| 18 | 1.3% | 100% | |
| 19 | 29% | 98.7% | |
| 20 | 41% | 70% | Median |
| 21 | 29% | 29% | |
| 22 | 0.3% | 0.3% | |
| 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 | 3% | 100% | |
| 6 | 38% | 97% | |
| 7 | 58% | 58% | Median |
| 8 | 0.1% | 0.1% | |
| 9 | 0% | 0% |
Unión del Pueblo Navarro (*)

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 100% | 100% | Last Result, Median |
Technical Information
Opinion Poll
- Polling firm: Sigma Dos
- Commissioner(s): El Mundo
- Fieldwork period: 20–27 September 2024
Calculations
- Sample size: 1909
- Simulations done: 2,097,152
- Error estimate: 1.74%