Opinion Poll by Celeste-Tel for eldiario.es, 12–15 September 2017
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 |
|---|---|---|---|---|---|---|
| Esquerra Republicana de Catalunya–Catalunya Sí | 39.6% | 24.8% | 22.9–26.8% | 22.3–27.4% | 21.9–27.9% | 21.0–28.9% |
| Ciutadans–Partido de la Ciudadanía | 17.9% | 17.4% | 15.7–19.2% | 15.3–19.7% | 14.9–20.2% | 14.2–21.1% |
| Partit dels Socialistes de Catalunya (PSC-PSOE) | 12.7% | 14.8% | 13.2–16.5% | 12.8–17.0% | 12.5–17.4% | 11.8–18.2% |
| Partit Demòcrata Europeu Català | 39.6% | 13.6% | 12.2–15.3% | 11.8–15.8% | 11.4–16.2% | 10.8–17.0% |
| Catalunya en Comú | 8.9% | 12.2% | 10.9–13.9% | 10.5–14.3% | 10.2–14.7% | 9.5–15.5% |
| Partit Popular | 8.5% | 9.4% | 8.2–10.8% | 7.8–11.2% | 7.5–11.6% | 7.0–12.3% |
| Candidatura d’Unitat Popular | 8.2% | 5.9% | 4.9–7.1% | 4.7–7.4% | 4.5–7.7% | 4.0–8.4% |
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 |
|---|---|---|---|---|---|---|
| Esquerra Republicana de Catalunya–Catalunya Sí | 20 | 38 | 35–41 | 34–42 | 33–43 | 31–44 |
| Ciutadans–Partido de la Ciudadanía | 25 | 24 | 20–25 | 20–26 | 19–27 | 18–29 |
| Partit dels Socialistes de Catalunya (PSC-PSOE) | 16 | 19 | 16–22 | 16–23 | 15–23 | 15–24 |
| Partit Demòcrata Europeu Català | 29 | 20 | 17–23 | 17–23 | 17–24 | 15–25 |
| Catalunya en Comú | 11 | 15 | 13–17 | 12–18 | 12–18 | 11–19 |
| Partit Popular | 11 | 12 | 10–14 | 10–14 | 10–14 | 8–16 |
| Candidatura d’Unitat Popular | 10 | 8 | 5–9 | 5–9 | 4–9 | 3–10 |
Esquerra Republicana de Catalunya–Catalunya Sí
For a full overview of the results for this party, see the Esquerra Republicana de Catalunya–Catalunya Sí page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 20 | 0% | 100% | Last Result |
| 21 | 0% | 100% | |
| 22 | 0% | 100% | |
| 23 | 0% | 100% | |
| 24 | 0% | 100% | |
| 25 | 0% | 100% | |
| 26 | 0% | 100% | |
| 27 | 0% | 100% | |
| 28 | 0% | 100% | |
| 29 | 0% | 100% | |
| 30 | 0% | 100% | |
| 31 | 0.5% | 100% | |
| 32 | 2% | 99.5% | |
| 33 | 2% | 98% | |
| 34 | 3% | 96% | |
| 35 | 8% | 93% | |
| 36 | 14% | 85% | |
| 37 | 20% | 71% | |
| 38 | 23% | 52% | Median |
| 39 | 8% | 29% | |
| 40 | 8% | 22% | |
| 41 | 6% | 14% | |
| 42 | 4% | 8% | |
| 43 | 2% | 3% | |
| 44 | 0.9% | 1.1% | |
| 45 | 0.2% | 0.3% | |
| 46 | 0.1% | 0.1% | |
| 47 | 0% | 0% |
Ciutadans–Partido de la Ciudadanía
For a full overview of the results for this party, see the Ciutadans–Partido de la Ciudadanía page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 17 | 0.1% | 100% | |
| 18 | 0.3% | 99.8% | |
| 19 | 2% | 99.5% | |
| 20 | 9% | 97% | |
| 21 | 6% | 88% | |
| 22 | 15% | 82% | |
| 23 | 9% | 66% | |
| 24 | 27% | 57% | Median |
| 25 | 21% | 31% | Last Result |
| 26 | 7% | 10% | |
| 27 | 2% | 3% | |
| 28 | 0.9% | 1.5% | |
| 29 | 0.4% | 0.6% | |
| 30 | 0.2% | 0.2% | |
| 31 | 0% | 0% |
Partit dels Socialistes de Catalunya (PSC-PSOE)
For a full overview of the results for this party, see the Partit dels Socialistes de Catalunya (PSC-PSOE) page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 0.2% | 100% | |
| 15 | 3% | 99.8% | |
| 16 | 12% | 97% | Last Result |
| 17 | 14% | 85% | |
| 18 | 15% | 71% | |
| 19 | 10% | 56% | Median |
| 20 | 19% | 46% | |
| 21 | 9% | 27% | |
| 22 | 12% | 18% | |
| 23 | 5% | 7% | |
| 24 | 1.1% | 1.2% | |
| 25 | 0.1% | 0.1% | |
| 26 | 0% | 0% |
Partit Demòcrata Europeu Català
For a full overview of the results for this party, see the Partit Demòcrata Europeu Català page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 14 | 0% | 100% | |
| 15 | 0.9% | 99.9% | |
| 16 | 1.1% | 99.0% | |
| 17 | 11% | 98% | |
| 18 | 16% | 87% | |
| 19 | 12% | 72% | |
| 20 | 12% | 59% | Median |
| 21 | 26% | 47% | |
| 22 | 9% | 21% | |
| 23 | 9% | 13% | |
| 24 | 3% | 4% | |
| 25 | 0.4% | 0.7% | |
| 26 | 0.2% | 0.3% | |
| 27 | 0.1% | 0.1% | |
| 28 | 0% | 0% | |
| 29 | 0% | 0% | Last Result |
Catalunya en Comú
For a full overview of the results for this party, see the Catalunya en Comú page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 9 | 0.1% | 100% | |
| 10 | 0.1% | 99.9% | |
| 11 | 1.0% | 99.8% | Last Result |
| 12 | 6% | 98.8% | |
| 13 | 4% | 92% | |
| 14 | 23% | 88% | |
| 15 | 26% | 65% | Median |
| 16 | 8% | 38% | |
| 17 | 21% | 30% | |
| 18 | 8% | 9% | |
| 19 | 1.5% | 2% | |
| 20 | 0.2% | 0.2% | |
| 21 | 0% | 0% |
Partit Popular
For a full overview of the results for this party, see the Partit Popular page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 7 | 0% | 100% | |
| 8 | 0.5% | 99.9% | |
| 9 | 2% | 99.4% | |
| 10 | 16% | 98% | |
| 11 | 6% | 81% | Last Result |
| 12 | 34% | 75% | Median |
| 13 | 30% | 40% | |
| 14 | 9% | 11% | |
| 15 | 0.8% | 2% | |
| 16 | 0.7% | 0.8% | |
| 17 | 0.1% | 0.1% | |
| 18 | 0.1% | 0.1% | |
| 19 | 0% | 0% |
Candidatura d’Unitat Popular
For a full overview of the results for this party, see the Candidatura d’Unitat Popular page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 3 | 2% | 100% | |
| 4 | 2% | 98% | |
| 5 | 9% | 96% | |
| 6 | 7% | 87% | |
| 7 | 13% | 80% | |
| 8 | 47% | 68% | Median |
| 9 | 18% | 20% | |
| 10 | 2% | 2% | Last Result |
| 11 | 0.1% | 0.1% | |
| 12 | 0% | 0% |
Coalitions

Confidence Intervals
| Coalition | Last Result | Median | Majority? | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|---|
| Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català – Catalunya en Comú | 60 | 73 | 98% | 70–77 | 69–78 | 68–78 | 66–80 |
| Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Catalunya en Comú – Partit Popular | 63 | 70 | 81% | 66–73 | 65–74 | 64–75 | 63–77 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català – Candidatura d’Unitat Popular | 59 | 65 | 19% | 62–69 | 61–70 | 60–71 | 58–72 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català | 49 | 58 | 0% | 54–61 | 54–62 | 53–63 | 51–65 |
| Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Partit Popular | 52 | 55 | 0% | 51–58 | 50–59 | 49–60 | 47–61 |
Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català – Catalunya en Comú
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 60 | 0% | 100% | Last Result |
| 61 | 0% | 100% | |
| 62 | 0% | 100% | |
| 63 | 0% | 100% | |
| 64 | 0.1% | 100% | |
| 65 | 0.2% | 99.9% | |
| 66 | 0.6% | 99.8% | |
| 67 | 1.4% | 99.2% | |
| 68 | 3% | 98% | Majority |
| 69 | 5% | 95% | |
| 70 | 8% | 90% | |
| 71 | 12% | 82% | |
| 72 | 15% | 70% | |
| 73 | 14% | 54% | Median |
| 74 | 13% | 41% | |
| 75 | 9% | 28% | |
| 76 | 7% | 19% | |
| 77 | 5% | 11% | |
| 78 | 3% | 6% | |
| 79 | 1.3% | 2% | |
| 80 | 0.7% | 1.1% | |
| 81 | 0.3% | 0.4% | |
| 82 | 0.1% | 0.1% | |
| 83 | 0% | 0% |
Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Catalunya en Comú – Partit Popular
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 61 | 0.1% | 100% | |
| 62 | 0.3% | 99.9% | |
| 63 | 0.9% | 99.6% | Last Result |
| 64 | 2% | 98.7% | |
| 65 | 3% | 97% | |
| 66 | 5% | 94% | |
| 67 | 7% | 88% | |
| 68 | 12% | 81% | Majority |
| 69 | 14% | 69% | |
| 70 | 15% | 55% | Median |
| 71 | 14% | 39% | |
| 72 | 10% | 26% | |
| 73 | 7% | 15% | |
| 74 | 4% | 8% | |
| 75 | 2% | 4% | |
| 76 | 1.0% | 2% | |
| 77 | 0.4% | 0.6% | |
| 78 | 0.1% | 0.2% | |
| 79 | 0% | 0.1% | |
| 80 | 0% | 0% |
Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català – Candidatura d’Unitat Popular
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 56 | 0% | 100% | |
| 57 | 0.1% | 99.9% | |
| 58 | 0.4% | 99.8% | |
| 59 | 1.0% | 99.4% | Last Result |
| 60 | 2% | 98% | |
| 61 | 4% | 96% | |
| 62 | 7% | 92% | |
| 63 | 10% | 85% | |
| 64 | 14% | 74% | |
| 65 | 15% | 61% | |
| 66 | 14% | 45% | Median |
| 67 | 12% | 31% | |
| 68 | 7% | 19% | Majority |
| 69 | 5% | 12% | |
| 70 | 3% | 6% | |
| 71 | 2% | 3% | |
| 72 | 0.9% | 1.3% | |
| 73 | 0.3% | 0.4% | |
| 74 | 0.1% | 0.1% | |
| 75 | 0% | 0% |
Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 49 | 0.1% | 100% | Last Result |
| 50 | 0.2% | 99.9% | |
| 51 | 0.4% | 99.7% | |
| 52 | 1.2% | 99.3% | |
| 53 | 3% | 98% | |
| 54 | 6% | 95% | |
| 55 | 10% | 89% | |
| 56 | 13% | 80% | |
| 57 | 16% | 67% | |
| 58 | 14% | 51% | Median |
| 59 | 13% | 37% | |
| 60 | 9% | 24% | |
| 61 | 7% | 15% | |
| 62 | 4% | 9% | |
| 63 | 3% | 5% | |
| 64 | 1.2% | 2% | |
| 65 | 0.4% | 0.6% | |
| 66 | 0.2% | 0.2% | |
| 67 | 0% | 0.1% | |
| 68 | 0% | 0% | Majority |
Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Partit Popular
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 46 | 0.1% | 100% | |
| 47 | 0.4% | 99.8% | |
| 48 | 0.9% | 99.5% | |
| 49 | 2% | 98.5% | |
| 50 | 4% | 96% | |
| 51 | 6% | 92% | |
| 52 | 8% | 86% | Last Result |
| 53 | 12% | 78% | |
| 54 | 14% | 66% | |
| 55 | 16% | 52% | Median |
| 56 | 13% | 36% | |
| 57 | 9% | 23% | |
| 58 | 6% | 13% | |
| 59 | 4% | 7% | |
| 60 | 2% | 3% | |
| 61 | 0.8% | 1.2% | |
| 62 | 0.3% | 0.4% | |
| 63 | 0.1% | 0.1% | |
| 64 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: Celeste-Tel
- Commissioner(s): eldiario.es
- Fieldwork period: 12–15 September 2017
Calculations
- Sample size: 800
- Simulations done: 8,388,608
- Error estimate: 1.11%