Opinion Poll by SocioMétrica for El Español, 27–31 October 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% | 31.2% | 29.4–33.1% | 28.8–33.7% | 28.4–34.1% | 27.5–35.1% |
| Ciutadans–Partido de la Ciudadanía | 17.9% | 18.3% | 16.8–20.0% | 16.4–20.4% | 16.0–20.8% | 15.3–21.6% |
| Partit dels Socialistes de Catalunya (PSC-PSOE) | 12.7% | 12.2% | 11.0–13.6% | 10.6–14.0% | 10.3–14.4% | 9.7–15.1% |
| Partit Demòcrata Europeu Català | 39.6% | 10.1% | 9.0–11.4% | 8.6–11.8% | 8.4–12.1% | 7.9–12.8% |
| Catalunya en Comú | 8.9% | 10.0% | 8.9–11.3% | 8.6–11.7% | 8.3–12.0% | 7.8–12.7% |
| Partit Popular | 8.5% | 9.0% | 7.9–10.3% | 7.6–10.6% | 7.4–10.9% | 6.9–11.6% |
| Candidatura d’Unitat Popular | 8.2% | 5.7% | 4.9–6.8% | 4.6–7.1% | 4.4–7.3% | 4.1–7.9% |
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 |
|---|---|---|---|---|---|---|
| Esquerra Republicana de Catalunya–Catalunya Sí | 20 | 49 | 45–51 | 45–52 | 44–53 | 43–55 |
| Ciutadans–Partido de la Ciudadanía | 25 | 25 | 23–27 | 22–28 | 21–29 | 20–30 |
| Partit dels Socialistes de Catalunya (PSC-PSOE) | 16 | 16 | 14–17 | 14–18 | 14–19 | 12–20 |
| Partit Demòcrata Europeu Català | 29 | 14 | 13–17 | 12–17 | 11–18 | 11–18 |
| Catalunya en Comú | 11 | 12 | 10–14 | 9–15 | 9–15 | 9–16 |
| Partit Popular | 11 | 12 | 10–13 | 10–14 | 10–14 | 8–15 |
| 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% | 100% | |
| 32 | 0% | 100% | |
| 33 | 0% | 100% | |
| 34 | 0% | 100% | |
| 35 | 0% | 100% | |
| 36 | 0% | 100% | |
| 37 | 0% | 100% | |
| 38 | 0% | 100% | |
| 39 | 0% | 100% | |
| 40 | 0% | 100% | |
| 41 | 0% | 100% | |
| 42 | 0.1% | 100% | |
| 43 | 0.7% | 99.8% | |
| 44 | 3% | 99.1% | |
| 45 | 6% | 96% | |
| 46 | 9% | 90% | |
| 47 | 10% | 81% | |
| 48 | 15% | 71% | |
| 49 | 16% | 57% | Median |
| 50 | 18% | 40% | |
| 51 | 13% | 22% | |
| 52 | 5% | 9% | |
| 53 | 2% | 4% | |
| 54 | 0.9% | 2% | |
| 55 | 0.5% | 0.8% | |
| 56 | 0.2% | 0.3% | |
| 57 | 0.1% | 0.1% | |
| 58 | 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 |
|---|---|---|---|
| 19 | 0% | 100% | |
| 20 | 0.8% | 99.9% | |
| 21 | 2% | 99.1% | |
| 22 | 4% | 97% | |
| 23 | 7% | 92% | |
| 24 | 15% | 85% | |
| 25 | 32% | 70% | Last Result, Median |
| 26 | 25% | 38% | |
| 27 | 8% | 13% | |
| 28 | 3% | 5% | |
| 29 | 1.4% | 3% | |
| 30 | 0.9% | 1.1% | |
| 31 | 0.2% | 0.2% | |
| 32 | 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 |
|---|---|---|---|
| 11 | 0.1% | 100% | |
| 12 | 0.7% | 99.9% | |
| 13 | 1.2% | 99.3% | |
| 14 | 14% | 98% | |
| 15 | 34% | 85% | |
| 16 | 34% | 50% | Last Result, Median |
| 17 | 11% | 17% | |
| 18 | 3% | 5% | |
| 19 | 2% | 3% | |
| 20 | 0.7% | 1.1% | |
| 21 | 0.2% | 0.4% | |
| 22 | 0.1% | 0.1% | |
| 23 | 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 |
|---|---|---|---|
| 10 | 0.1% | 100% | |
| 11 | 3% | 99.9% | |
| 12 | 4% | 97% | |
| 13 | 23% | 94% | |
| 14 | 25% | 71% | Median |
| 15 | 20% | 45% | |
| 16 | 12% | 25% | |
| 17 | 10% | 13% | |
| 18 | 3% | 3% | |
| 19 | 0.3% | 0.4% | |
| 20 | 0.1% | 0.1% | |
| 21 | 0% | 0% | |
| 22 | 0% | 0% | |
| 23 | 0% | 0% | |
| 24 | 0% | 0% | |
| 25 | 0% | 0% | |
| 26 | 0% | 0% | |
| 27 | 0% | 0% | |
| 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 |
|---|---|---|---|
| 8 | 0.4% | 100% | |
| 9 | 6% | 99.6% | |
| 10 | 7% | 94% | |
| 11 | 21% | 87% | Last Result |
| 12 | 36% | 66% | Median |
| 13 | 11% | 30% | |
| 14 | 13% | 18% | |
| 15 | 5% | 6% | |
| 16 | 0.5% | 0.9% | |
| 17 | 0.4% | 0.4% | |
| 18 | 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 |
|---|---|---|---|
| 8 | 0.8% | 100% | |
| 9 | 2% | 99.2% | |
| 10 | 20% | 98% | |
| 11 | 14% | 77% | Last Result |
| 12 | 31% | 64% | Median |
| 13 | 26% | 32% | |
| 14 | 6% | 6% | |
| 15 | 0.4% | 0.5% | |
| 16 | 0.2% | 0.2% | |
| 17 | 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 | 3% | 98% | |
| 5 | 10% | 95% | |
| 6 | 9% | 85% | |
| 7 | 10% | 76% | |
| 8 | 49% | 66% | Median |
| 9 | 16% | 17% | |
| 10 | 1.0% | 1.0% | Last Result |
| 11 | 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 | 75 | 100% | 72–78 | 72–79 | 71–80 | 70–81 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català – Candidatura d’Unitat Popular | 59 | 71 | 92% | 68–73 | 67–74 | 66–75 | 64–76 |
| Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Catalunya en Comú – Partit Popular | 63 | 64 | 8% | 62–67 | 61–68 | 60–69 | 59–71 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català | 49 | 63 | 3% | 60–66 | 59–67 | 59–68 | 57–69 |
| Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Partit Popular | 52 | 52 | 0% | 50–55 | 49–56 | 48–57 | 47–58 |
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% | 100% | |
| 65 | 0% | 100% | |
| 66 | 0% | 100% | |
| 67 | 0% | 100% | |
| 68 | 0.1% | 100% | Majority |
| 69 | 0.3% | 99.9% | |
| 70 | 1.3% | 99.5% | |
| 71 | 3% | 98% | |
| 72 | 6% | 95% | |
| 73 | 12% | 90% | |
| 74 | 15% | 77% | |
| 75 | 17% | 62% | Median |
| 76 | 17% | 46% | |
| 77 | 13% | 28% | |
| 78 | 8% | 15% | |
| 79 | 4% | 7% | |
| 80 | 2% | 3% | |
| 81 | 0.7% | 1.1% | |
| 82 | 0.3% | 0.4% | |
| 83 | 0.1% | 0.1% | |
| 84 | 0% | 0% |
Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català – Candidatura d’Unitat Popular
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 59 | 0% | 100% | Last Result |
| 60 | 0% | 100% | |
| 61 | 0% | 100% | |
| 62 | 0% | 100% | |
| 63 | 0.1% | 100% | |
| 64 | 0.4% | 99.8% | |
| 65 | 0.9% | 99.5% | |
| 66 | 2% | 98.6% | |
| 67 | 5% | 96% | |
| 68 | 9% | 92% | Majority |
| 69 | 14% | 83% | |
| 70 | 17% | 69% | |
| 71 | 17% | 52% | Median |
| 72 | 16% | 35% | |
| 73 | 10% | 20% | |
| 74 | 5% | 9% | |
| 75 | 2% | 4% | |
| 76 | 0.9% | 1.4% | |
| 77 | 0.3% | 0.5% | |
| 78 | 0.1% | 0.2% | |
| 79 | 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 |
|---|---|---|---|
| 57 | 0.1% | 100% | |
| 58 | 0.3% | 99.8% | |
| 59 | 0.9% | 99.5% | |
| 60 | 2% | 98.6% | |
| 61 | 5% | 96% | |
| 62 | 10% | 91% | |
| 63 | 16% | 80% | Last Result |
| 64 | 17% | 65% | |
| 65 | 17% | 48% | Median |
| 66 | 14% | 31% | |
| 67 | 9% | 17% | |
| 68 | 5% | 8% | Majority |
| 69 | 2% | 4% | |
| 70 | 0.9% | 1.4% | |
| 71 | 0.4% | 0.5% | |
| 72 | 0.1% | 0.2% | |
| 73 | 0% | 0% |
Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 49 | 0% | 100% | Last Result |
| 50 | 0% | 100% | |
| 51 | 0% | 100% | |
| 52 | 0% | 100% | |
| 53 | 0% | 100% | |
| 54 | 0% | 100% | |
| 55 | 0% | 100% | |
| 56 | 0.2% | 100% | |
| 57 | 0.5% | 99.8% | |
| 58 | 1.3% | 99.3% | |
| 59 | 4% | 98% | |
| 60 | 6% | 94% | |
| 61 | 11% | 89% | |
| 62 | 15% | 78% | |
| 63 | 18% | 63% | Median |
| 64 | 17% | 45% | |
| 65 | 12% | 28% | |
| 66 | 8% | 15% | |
| 67 | 4% | 7% | |
| 68 | 2% | 3% | Majority |
| 69 | 0.9% | 1.4% | |
| 70 | 0.3% | 0.5% | |
| 71 | 0.1% | 0.1% | |
| 72 | 0% | 0% |
Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Partit Popular
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 45 | 0.1% | 100% | |
| 46 | 0.2% | 99.9% | |
| 47 | 0.7% | 99.7% | |
| 48 | 2% | 99.0% | |
| 49 | 4% | 97% | |
| 50 | 10% | 93% | |
| 51 | 16% | 83% | |
| 52 | 18% | 66% | Last Result |
| 53 | 19% | 48% | Median |
| 54 | 16% | 29% | |
| 55 | 7% | 14% | |
| 56 | 4% | 6% | |
| 57 | 2% | 3% | |
| 58 | 0.6% | 0.9% | |
| 59 | 0.2% | 0.3% | |
| 60 | 0.1% | 0.1% | |
| 61 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: SocioMétrica
- Commissioner(s): El Español
- Fieldwork period: 27–31 October 2017
Calculations
- Sample size: 1000
- Simulations done: 8,388,608
- Error estimate: 0.85%