Opinion Poll by MyWord for Cadena SER, 5–13 December 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% | 24.3% | 22.6–26.1% | 22.1–26.6% | 21.7–27.1% | 21.0–27.9% |
| Ciutadans–Partido de la Ciudadanía | 17.9% | 22.4% | 20.8–24.2% | 20.3–24.7% | 19.9–25.1% | 19.2–26.0% |
| Junts per Catalunya | 39.6% | 17.9% | 16.4–19.6% | 16.0–20.0% | 15.7–20.4% | 15.0–21.2% |
| Partit dels Socialistes de Catalunya (PSC-PSOE) | 12.7% | 15.1% | 13.8–16.7% | 13.4–17.1% | 13.0–17.5% | 12.4–18.3% |
| Catalunya en Comú | 8.9% | 9.0% | 7.9–10.2% | 7.6–10.6% | 7.3–10.9% | 6.9–11.5% |
| Candidatura d’Unitat Popular | 8.2% | 5.1% | 4.3–6.1% | 4.1–6.4% | 3.9–6.6% | 3.5–7.1% |
| Partit Popular | 8.5% | 4.8% | 4.0–5.8% | 3.8–6.0% | 3.6–6.3% | 3.3–6.8% |
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 | 37 | 35–40 | 33–41 | 32–42 | 31–43 |
| Ciutadans–Partido de la Ciudadanía | 25 | 31 | 27–33 | 27–34 | 26–34 | 26–36 |
| Junts per Catalunya | 29 | 27 | 24–29 | 24–30 | 23–30 | 23–32 |
| Partit dels Socialistes de Catalunya (PSC-PSOE) | 16 | 20 | 17–22 | 16–23 | 16–23 | 15–24 |
| Catalunya en Comú | 11 | 10 | 9–12 | 8–13 | 8–13 | 7–14 |
| Candidatura d’Unitat Popular | 10 | 6 | 3–8 | 3–8 | 3–8 | 3–9 |
| Partit Popular | 11 | 5 | 3–6 | 3–7 | 3–7 | 3–8 |
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 | 0.2% | 100% | |
| 31 | 0.5% | 99.8% | |
| 32 | 2% | 99.3% | |
| 33 | 2% | 97% | |
| 34 | 5% | 95% | |
| 35 | 13% | 90% | |
| 36 | 23% | 77% | |
| 37 | 13% | 54% | Median |
| 38 | 15% | 41% | |
| 39 | 11% | 25% | |
| 40 | 7% | 14% | |
| 41 | 4% | 7% | |
| 42 | 2% | 3% | |
| 43 | 0.7% | 1.0% | |
| 44 | 0.3% | 0.3% | |
| 45 | 0.1% | 0.1% | |
| 46 | 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 |
|---|---|---|---|
| 25 | 0.4% | 100% | Last Result |
| 26 | 3% | 99.6% | |
| 27 | 9% | 96% | |
| 28 | 6% | 87% | |
| 29 | 11% | 81% | |
| 30 | 18% | 70% | |
| 31 | 24% | 52% | Median |
| 32 | 10% | 29% | |
| 33 | 12% | 18% | |
| 34 | 4% | 6% | |
| 35 | 1.0% | 2% | |
| 36 | 0.6% | 0.7% | |
| 37 | 0.1% | 0.1% | |
| 38 | 0% | 0% |
Junts per Catalunya
For a full overview of the results for this party, see the Junts per Catalunya page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 21 | 0.1% | 100% | |
| 22 | 0.2% | 99.8% | |
| 23 | 5% | 99.6% | |
| 24 | 18% | 95% | |
| 25 | 9% | 78% | |
| 26 | 12% | 68% | |
| 27 | 12% | 56% | Median |
| 28 | 11% | 44% | |
| 29 | 23% | 33% | Last Result |
| 30 | 7% | 9% | |
| 31 | 1.1% | 2% | |
| 32 | 0.7% | 1.0% | |
| 33 | 0.2% | 0.3% | |
| 34 | 0.1% | 0.1% | |
| 35 | 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 |
|---|---|---|---|
| 15 | 0.6% | 100% | |
| 16 | 6% | 99.4% | Last Result |
| 17 | 16% | 93% | |
| 18 | 9% | 77% | |
| 19 | 13% | 68% | |
| 20 | 11% | 56% | Median |
| 21 | 12% | 44% | |
| 22 | 22% | 32% | |
| 23 | 8% | 10% | |
| 24 | 1.4% | 2% | |
| 25 | 0.1% | 0.1% | |
| 26 | 0% | 0% |
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 |
|---|---|---|---|
| 6 | 0.2% | 100% | |
| 7 | 0.4% | 99.8% | |
| 8 | 9% | 99.5% | |
| 9 | 34% | 90% | |
| 10 | 15% | 57% | Median |
| 11 | 24% | 42% | Last Result |
| 12 | 11% | 18% | |
| 13 | 4% | 6% | |
| 14 | 2% | 2% | |
| 15 | 0.2% | 0.2% | |
| 16 | 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 |
|---|---|---|---|
| 2 | 0.1% | 100% | |
| 3 | 15% | 99.8% | |
| 4 | 9% | 85% | |
| 5 | 22% | 76% | |
| 6 | 11% | 54% | Median |
| 7 | 14% | 43% | |
| 8 | 27% | 29% | |
| 9 | 2% | 2% | |
| 10 | 0% | 0% | Last Result |
Partit Popular
For a full overview of the results for this party, see the Partit Popular page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 0 | 0.1% | 100% | |
| 1 | 0% | 99.9% | |
| 2 | 0.3% | 99.9% | |
| 3 | 19% | 99.7% | |
| 4 | 7% | 80% | |
| 5 | 51% | 73% | Median |
| 6 | 15% | 22% | |
| 7 | 6% | 7% | |
| 8 | 1.3% | 1.5% | |
| 9 | 0.2% | 0.2% | |
| 10 | 0% | 0% | |
| 11 | 0% | 0% | Last Result |
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 – Junts per Catalunya – Catalunya en Comú | 60 | 74 | 99.4% | 70–78 | 70–79 | 69–80 | 67–81 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Junts per Catalunya – Candidatura d’Unitat Popular | 59 | 70 | 79% | 66–73 | 65–75 | 64–75 | 63–77 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Partit dels Socialistes de Catalunya (PSC-PSOE) – Catalunya en Comú | 47 | 67 | 44% | 63–71 | 63–72 | 62–72 | 60–74 |
| Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Catalunya en Comú – Partit Popular | 63 | 65 | 21% | 62–69 | 60–70 | 60–71 | 58–72 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Junts per Catalunya | 49 | 64 | 10% | 60–67 | 59–68 | 59–69 | 57–71 |
| Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Partit Popular | 52 | 55 | 0% | 51–59 | 50–60 | 50–60 | 48–61 |
Esquerra Republicana de Catalunya–Catalunya Sí – Junts per Catalunya – 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 | 0.1% | 100% | |
| 67 | 0.4% | 99.8% | |
| 68 | 0.9% | 99.4% | Majority |
| 69 | 3% | 98% | |
| 70 | 6% | 96% | |
| 71 | 11% | 90% | |
| 72 | 11% | 79% | |
| 73 | 11% | 68% | |
| 74 | 13% | 57% | Median |
| 75 | 13% | 44% | |
| 76 | 13% | 32% | |
| 77 | 8% | 19% | |
| 78 | 5% | 10% | |
| 79 | 3% | 6% | |
| 80 | 2% | 3% | |
| 81 | 0.8% | 1.2% | |
| 82 | 0.3% | 0.4% | |
| 83 | 0.1% | 0.1% | |
| 84 | 0% | 0% |
Esquerra Republicana de Catalunya–Catalunya Sí – Junts per Catalunya – Candidatura d’Unitat Popular
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 59 | 0% | 100% | Last Result |
| 60 | 0% | 100% | |
| 61 | 0% | 100% | |
| 62 | 0.2% | 99.9% | |
| 63 | 0.8% | 99.8% | |
| 64 | 2% | 99.0% | |
| 65 | 4% | 97% | |
| 66 | 6% | 93% | |
| 67 | 9% | 87% | |
| 68 | 11% | 79% | Majority |
| 69 | 15% | 68% | |
| 70 | 14% | 53% | Median |
| 71 | 12% | 39% | |
| 72 | 9% | 27% | |
| 73 | 8% | 18% | |
| 74 | 5% | 10% | |
| 75 | 3% | 5% | |
| 76 | 1.4% | 2% | |
| 77 | 0.4% | 0.5% | |
| 78 | 0.1% | 0.2% | |
| 79 | 0% | 0% |
Esquerra Republicana de Catalunya–Catalunya Sí – Partit dels Socialistes de Catalunya (PSC-PSOE) – Catalunya en Comú
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 47 | 0% | 100% | Last Result |
| 48 | 0% | 100% | |
| 49 | 0% | 100% | |
| 50 | 0% | 100% | |
| 51 | 0% | 100% | |
| 52 | 0% | 100% | |
| 53 | 0% | 100% | |
| 54 | 0% | 100% | |
| 55 | 0% | 100% | |
| 56 | 0% | 100% | |
| 57 | 0% | 100% | |
| 58 | 0.1% | 100% | |
| 59 | 0.2% | 99.9% | |
| 60 | 0.4% | 99.8% | |
| 61 | 1.0% | 99.3% | |
| 62 | 3% | 98% | |
| 63 | 6% | 95% | |
| 64 | 10% | 89% | |
| 65 | 10% | 79% | |
| 66 | 12% | 69% | |
| 67 | 13% | 57% | Median |
| 68 | 13% | 44% | Majority |
| 69 | 13% | 31% | |
| 70 | 8% | 18% | |
| 71 | 5% | 10% | |
| 72 | 3% | 5% | |
| 73 | 1.4% | 2% | |
| 74 | 0.7% | 1.1% | |
| 75 | 0.3% | 0.4% | |
| 76 | 0.1% | 0.1% | |
| 77 | 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 | 0.4% | 99.8% | |
| 59 | 1.4% | 99.5% | |
| 60 | 3% | 98% | |
| 61 | 5% | 95% | |
| 62 | 8% | 90% | |
| 63 | 9% | 82% | Last Result |
| 64 | 12% | 73% | |
| 65 | 14% | 61% | |
| 66 | 15% | 47% | Median |
| 67 | 11% | 32% | |
| 68 | 9% | 21% | Majority |
| 69 | 6% | 13% | |
| 70 | 4% | 7% | |
| 71 | 2% | 3% | |
| 72 | 0.8% | 1.0% | |
| 73 | 0.2% | 0.2% | |
| 74 | 0% | 0.1% | |
| 75 | 0% | 0% |
Esquerra Republicana de Catalunya–Catalunya Sí – Junts per Catalunya
| 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 | 0.1% | 100% | |
| 56 | 0.2% | 99.9% | |
| 57 | 0.5% | 99.7% | |
| 58 | 1.2% | 99.2% | |
| 59 | 3% | 98% | |
| 60 | 6% | 95% | |
| 61 | 10% | 89% | |
| 62 | 12% | 79% | |
| 63 | 12% | 67% | |
| 64 | 13% | 55% | Median |
| 65 | 14% | 42% | |
| 66 | 10% | 28% | |
| 67 | 9% | 18% | |
| 68 | 5% | 10% | Majority |
| 69 | 3% | 5% | |
| 70 | 1.1% | 2% | |
| 71 | 0.5% | 0.8% | |
| 72 | 0.2% | 0.3% | |
| 73 | 0.1% | 0.1% | |
| 74 | 0% | 0% |
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 | 0.2% | 99.9% | |
| 48 | 0.5% | 99.8% | |
| 49 | 1.3% | 99.3% | |
| 50 | 3% | 98% | |
| 51 | 6% | 95% | |
| 52 | 8% | 89% | Last Result |
| 53 | 10% | 81% | |
| 54 | 11% | 70% | |
| 55 | 14% | 59% | |
| 56 | 14% | 46% | Median |
| 57 | 13% | 32% | |
| 58 | 8% | 19% | |
| 59 | 6% | 12% | |
| 60 | 3% | 5% | |
| 61 | 1.3% | 2% | |
| 62 | 0.3% | 0.5% | |
| 63 | 0.1% | 0.1% | |
| 64 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: MyWord
- Commissioner(s): Cadena SER
- Fieldwork period: 5–13 December 2017
Calculations
- Sample size: 1004
- Simulations done: 8,388,608
- Error estimate: 0.53%