Opinion Poll by Celeste-Tel for Onda Cero, 28 April–6 May 2025
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% | 34.5% | 32.7–36.4% | 32.2–36.9% | 31.8–37.4% | 30.9–38.3% |
| Partido Socialista Obrero Español (S&D) | 0.0% | 28.4% | 26.7–30.2% | 26.2–30.7% | 25.8–31.1% | 25.0–32.0% |
| Vox (PfE) | 0.0% | 13.5% | 12.3–15.0% | 11.9–15.3% | 11.6–15.7% | 11.1–16.4% |
| Podemos (GUE/NGL) | 0.0% | 5.5% | 4.8–6.5% | 4.5–6.8% | 4.3–7.1% | 4.0–7.6% |
| Movimiento Sumar–Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0.0% | 3.5% | 2.9–4.4% | 2.7–4.6% | 2.6–4.8% | 2.3–5.2% |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0.0% | 2.2% | 1.7–2.9% | 1.6–3.1% | 1.5–3.2% | 1.3–3.6% |
| Junts per Catalunya (NI) | 0.0% | 1.9% | 1.5–2.6% | 1.4–2.7% | 1.2–2.9% | 1.1–3.2% |
| Se Acabó La Fiesta (NI) | 0.0% | 1.9% | 1.5–2.6% | 1.4–2.7% | 1.2–2.9% | 1.1–3.2% |
| Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA) | 0.0% | 1.7% | 1.3–2.3% | 1.2–2.5% | 1.1–2.7% | 0.9–3.0% |
| Euskal Herria Bildu (GUE/NGL) | 0.0% | 1.3% | 0.9–1.8% | 0.8–2.0% | 0.8–2.1% | 0.6–2.4% |
| Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco (RE) | 0.0% | 1.2% | 0.9–1.7% | 0.8–1.9% | 0.7–2.0% | 0.6–2.3% |
| Bloque Nacionalista Galego–Nós Candidatura Galega (Greens/EFA) | 0.0% | 0.8% | 0.6–1.3% | 0.5–1.4% | 0.4–1.6% | 0.3–1.8% |
| Coalición Canaria–Partido Nacionalista Canario (RE) | 0.0% | 0.5% | 0.4–1.0% | 0.3–1.1% | 0.2–1.2% | 0.2–1.4% |
| Unión del Pueblo Navarro (*) | 0.0% | 0.2% | 0.1–0.5% | 0.1–0.6% | 0.0–0.7% | 0.0–0.9% |
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 | 22–25 | 22–25 | 21–26 | 20–26 |
| Partido Socialista Obrero Español (S&D) | 0 | 19 | 18–21 | 18–22 | 17–22 | 17–22 |
| Vox (PfE) | 0 | 9 | 8–10 | 8–10 | 8–10 | 7–10 |
| Podemos (GUE/NGL) | 0 | 3 | 3–4 | 2–4 | 2–4 | 2–5 |
| Movimiento Sumar–Catalunya en Comú–Més–Compromís–Más País–Chunta (Greens/EFA) | 0 | 2 | 1–3 | 1–3 | 1–3 | 1–3 |
| Movimiento Sumar–Izquierda Unida (GUE/NGL) | 0 | 1 | 1–2 | 0–2 | 0–2 | 0–2 |
| Junts per Catalunya (NI) | 0 | 1 | 0–1 | 0–1 | 0–1 | 0–2 |
| Se Acabó La Fiesta (NI) | 0 | 1 | 0–1 | 0–1 | 0–2 | 0–2 |
| Esquerra Republicana de Catalunya–Catalunya Sí (Greens/EFA) | 0 | 1 | 0–1 | 0–1 | 0–1 | 0–2 |
| 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 | 0–1 | 0–1 | 0–1 | 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 | 0.8% | 100% | |
| 21 | 3% | 99.2% | |
| 22 | 22% | 97% | |
| 23 | 25% | 75% | |
| 24 | 28% | 50% | Median |
| 25 | 18% | 22% | |
| 26 | 4% | 4% | |
| 27 | 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 | 0.1% | 100% | |
| 16 | 0.3% | 99.9% | |
| 17 | 4% | 99.6% | |
| 18 | 33% | 95% | |
| 19 | 26% | 62% | Median |
| 20 | 19% | 36% | |
| 21 | 8% | 17% | |
| 22 | 9% | 9% | |
| 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 | 2% | 100% | |
| 8 | 45% | 98% | |
| 9 | 37% | 53% | Median |
| 10 | 16% | 16% | |
| 11 | 0.3% | 0.3% | |
| 12 | 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% | 100% | |
| 2 | 9% | 100% | |
| 3 | 66% | 91% | Median |
| 4 | 24% | 25% | |
| 5 | 0.6% | 0.6% | |
| 6 | 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 | 10% | 100% | |
| 2 | 78% | 90% | Median |
| 3 | 12% | 12% | |
| 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 | 7% | 100% | Last Result |
| 1 | 82% | 93% | Median |
| 2 | 11% | 11% | |
| 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 | 25% | 100% | Last Result |
| 1 | 73% | 75% | Median |
| 2 | 2% | 2% | |
| 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 | 14% | 100% | Last Result |
| 1 | 83% | 86% | Median |
| 2 | 3% | 3% | |
| 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 | 16% | 100% | Last Result |
| 1 | 83% | 84% | Median |
| 2 | 2% | 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 | 64% | 100% | Last Result, Median |
| 1 | 36% | 36% | |
| 2 | 0.1% | 0.1% | |
| 3 | 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 | 60% | 100% | Last Result, Median |
| 1 | 40% | 40% | |
| 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 | 86% | 100% | Last Result, Median |
| 1 | 14% | 14% | |
| 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 | 99.7% | 100% | Last Result, Median |
| 1 | 0.3% | 0.3% | |
| 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 | 24 | 0% | 22–25 | 22–25 | 21–26 | 20–26 |
| Partido Socialista Obrero Español (S&D) | 0 | 19 | 0% | 18–21 | 18–22 | 17–22 | 17–22 |
| Vox (PfE) | 0 | 9 | 0% | 8–10 | 8–10 | 8–10 | 7–10 |
| 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 | 0.8% | 100% | |
| 21 | 3% | 99.2% | |
| 22 | 22% | 97% | |
| 23 | 25% | 75% | |
| 24 | 28% | 50% | Median |
| 25 | 18% | 22% | |
| 26 | 4% | 4% | |
| 27 | 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 | 0.1% | 100% | |
| 16 | 0.3% | 99.9% | |
| 17 | 4% | 99.6% | |
| 18 | 33% | 95% | |
| 19 | 26% | 62% | Median |
| 20 | 19% | 36% | |
| 21 | 8% | 17% | |
| 22 | 9% | 9% | |
| 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 | 2% | 100% | |
| 8 | 45% | 98% | |
| 9 | 37% | 53% | Median |
| 10 | 16% | 16% | |
| 11 | 0.3% | 0.3% | |
| 12 | 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: Celeste-Tel
- Commissioner(s): Onda Cero
- Fieldwork period: 28 April–6 May 2025
Calculations
- Sample size: 1100
- Simulations done: 2,097,152
- Error estimate: 1.43%