Opinion Poll by Sigma Dos for El Mundo, 5–8 August 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% | 35.3% | 34.0–36.7% | 33.6–37.0% | 33.3–37.4% | 32.6–38.0% |
| Partido Socialista Obrero Español (S&D) | 0.0% | 28.9% | 27.6–30.2% | 27.3–30.5% | 27.0–30.9% | 26.4–31.5% |
| Vox (PfE) | 0.0% | 9.9% | 9.1–10.8% | 8.9–11.0% | 8.7–11.2% | 8.3–11.7% |
| Movimiento Sumar–Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0.0% | 3.9% | 3.4–4.5% | 3.3–4.7% | 3.2–4.8% | 2.9–5.1% |
| Podemos (GUE/NGL) | 0.0% | 3.4% | 2.9–3.9% | 2.8–4.1% | 2.7–4.3% | 2.5–4.5% |
| Se Acabó La Fiesta (NI) | 0.0% | 3.1% | 2.7–3.6% | 2.5–3.8% | 2.4–3.9% | 2.2–4.2% |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0.0% | 2.4% | 2.0–2.9% | 1.9–3.0% | 1.8–3.1% | 1.6–3.4% |
| Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA) | 0.0% | 2.0% | 1.6–2.5% | 1.6–2.6% | 1.5–2.7% | 1.3–2.9% |
| Junts per Catalunya (NI) | 0.0% | 1.9% | 1.6–2.3% | 1.5–2.5% | 1.4–2.6% | 1.2–2.8% |
| Euskal Herria Bildu (GUE/NGL) | 0.0% | 1.4% | 1.1–1.8% | 1.0–1.9% | 1.0–2.0% | 0.8–2.2% |
| Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco (RE) | 0.0% | 1.2% | 0.9–1.6% | 0.9–1.7% | 0.8–1.8% | 0.7–2.0% |
| Bloque Nacionalista Galego–Nós Candidatura Galega (Greens/EFA) | 0.0% | 0.7% | 0.5–1.0% | 0.5–1.1% | 0.4–1.2% | 0.4–1.3% |
| Unión del Pueblo Navarro (*) | 0.0% | 0.2% | 0.1–0.4% | 0.1–0.4% | 0.1–0.5% | 0.0–0.6% |
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 | 25 | 23–27 | 23–27 | 22–27 | 22–27 |
| Partido Socialista Obrero Español (S&D) | 0 | 19 | 19–21 | 19–21 | 19–21 | 18–22 |
| Vox (PfE) | 0 | 7 | 6–7 | 6–7 | 5–7 | 5–8 |
| Movimiento Sumar–Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0 | 2 | 2–3 | 2–3 | 2–3 | 1–3 |
| Podemos (GUE/NGL) | 0 | 2 | 1–2 | 1–3 | 1–3 | 1–3 |
| Se Acabó La Fiesta (NI) | 0 | 2 | 1–2 | 1–2 | 1–2 | 1–2 |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0 | 2 | 1–2 | 1–2 | 1–2 | 1–2 |
| Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA) | 0 | 1 | 1 | 1 | 1 | 1–2 |
| Junts per Catalunya (NI) | 0 | 1 | 1 | 1 | 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 | 0 | 0–1 | 0–1 | 0–1 | 0–1 |
| Bloque Nacionalista Galego–Nós Candidatura Galega (Greens/EFA) | 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 | 4% | 100% | |
| 23 | 10% | 96% | |
| 24 | 20% | 87% | |
| 25 | 28% | 67% | Median |
| 26 | 17% | 38% | |
| 27 | 21% | 21% | |
| 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 | 0.1% | 100% | |
| 18 | 2% | 99.9% | |
| 19 | 51% | 98% | Median |
| 20 | 32% | 46% | |
| 21 | 13% | 14% | |
| 22 | 1.3% | 1.3% | |
| 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 | 4% | 100% | |
| 6 | 45% | 96% | |
| 7 | 50% | 51% | Median |
| 8 | 1.2% | 1.2% | |
| 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 | 0.8% | 100% | |
| 2 | 71% | 99.2% | Median |
| 3 | 28% | 28% | |
| 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 | 13% | 100% | |
| 2 | 81% | 87% | Median |
| 3 | 6% | 6% | |
| 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 | 41% | 100% | |
| 2 | 59% | 59% | Median |
| 3 | 0.2% | 0.2% | |
| 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 | 0.1% | 100% | Last Result |
| 1 | 42% | 99.9% | |
| 2 | 58% | 58% | Median |
| 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 | 0.5% | 100% | Last Result |
| 1 | 98.9% | 99.5% | Median |
| 2 | 0.6% | 0.6% | |
| 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 | 1.0% | 100% | Last Result |
| 1 | 98.7% | 99.0% | Median |
| 2 | 0.3% | 0.3% | |
| 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 | 68% | 100% | Last Result, Median |
| 1 | 32% | 32% | |
| 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 | 87% | 100% | Last Result, Median |
| 1 | 13% | 13% | |
| 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 | 99.8% | 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 | 25 | 0% | 23–27 | 23–27 | 22–27 | 22–27 |
| Partido Socialista Obrero Español (S&D) | 0 | 19 | 0% | 19–21 | 19–21 | 19–21 | 18–22 |
| Vox (PfE) | 0 | 7 | 0% | 6–7 | 6–7 | 5–7 | 5–8 |
| 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 | 4% | 100% | |
| 23 | 10% | 96% | |
| 24 | 20% | 87% | |
| 25 | 28% | 67% | Median |
| 26 | 17% | 38% | |
| 27 | 21% | 21% | |
| 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 | 0.1% | 100% | |
| 18 | 2% | 99.9% | |
| 19 | 51% | 98% | Median |
| 20 | 32% | 46% | |
| 21 | 13% | 14% | |
| 22 | 1.3% | 1.3% | |
| 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 | 4% | 100% | |
| 6 | 45% | 96% | |
| 7 | 50% | 51% | Median |
| 8 | 1.2% | 1.2% | |
| 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: 5–8 August 2024
Calculations
- Sample size: 2102
- Simulations done: 1,048,576
- Error estimate: 4.16%