Opinion Poll by Infortécnica for Segre, 4–13 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% | 23.6% | 22.1–25.2% | 21.7–25.7% | 21.3–26.1% | 20.6–26.9% |
| Ciutadans–Partido de la Ciudadanía | 17.9% | 23.6% | 22.1–25.2% | 21.7–25.7% | 21.3–26.1% | 20.6–26.9% |
| Junts per Catalunya | 39.6% | 18.5% | 17.1–20.0% | 16.8–20.4% | 16.4–20.8% | 15.8–21.5% |
| Partit dels Socialistes de Catalunya (PSC-PSOE) | 12.7% | 17.3% | 15.9–18.7% | 15.6–19.1% | 15.2–19.5% | 14.6–20.2% |
| Partit Popular | 8.5% | 6.3% | 5.5–7.3% | 5.3–7.6% | 5.1–7.8% | 4.7–8.4% |
| Catalunya en Comú | 8.9% | 5.5% | 4.8–6.4% | 4.5–6.7% | 4.4–7.0% | 4.0–7.4% |
| Candidatura d’Unitat Popular | 8.2% | 5.2% | 4.5–6.1% | 4.2–6.4% | 4.1–6.6% | 3.7–7.0% |
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 | 35 | 32–38 | 32–38 | 32–39 | 30–40 |
| Ciutadans–Partido de la Ciudadanía | 25 | 31 | 30–34 | 29–35 | 28–35 | 27–36 |
| Junts per Catalunya | 29 | 27 | 25–30 | 24–30 | 24–31 | 23–32 |
| Partit dels Socialistes de Catalunya (PSC-PSOE) | 16 | 23 | 21–24 | 20–25 | 19–25 | 18–26 |
| Partit Popular | 11 | 7 | 5–9 | 5–10 | 5–10 | 5–10 |
| Catalunya en Comú | 11 | 5 | 4–6 | 4–7 | 4–7 | 4–8 |
| Candidatura d’Unitat Popular | 10 | 5 | 3–8 | 3–8 | 3–8 | 3–9 |
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 | 0.1% | 100% | |
| 30 | 0.5% | 99.9% | |
| 31 | 2% | 99.4% | |
| 32 | 8% | 98% | |
| 33 | 11% | 90% | |
| 34 | 12% | 79% | |
| 35 | 18% | 67% | Median |
| 36 | 21% | 49% | |
| 37 | 14% | 27% | |
| 38 | 10% | 13% | |
| 39 | 2% | 4% | |
| 40 | 1.2% | 2% | |
| 41 | 0.3% | 0.4% | |
| 42 | 0.1% | 0.1% | |
| 43 | 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% | 100% | Last Result |
| 26 | 0.3% | 100% | |
| 27 | 2% | 99.7% | |
| 28 | 2% | 98% | |
| 29 | 5% | 96% | |
| 30 | 11% | 91% | |
| 31 | 32% | 80% | Median |
| 32 | 24% | 48% | |
| 33 | 10% | 24% | |
| 34 | 9% | 15% | |
| 35 | 3% | 5% | |
| 36 | 2% | 2% | |
| 37 | 0.4% | 0.5% | |
| 38 | 0.1% | 0.1% | |
| 39 | 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 |
|---|---|---|---|
| 22 | 0.4% | 100% | |
| 23 | 1.1% | 99.5% | |
| 24 | 8% | 98% | |
| 25 | 8% | 90% | |
| 26 | 13% | 83% | |
| 27 | 22% | 69% | Median |
| 28 | 19% | 47% | |
| 29 | 16% | 28% | Last Result |
| 30 | 10% | 12% | |
| 31 | 2% | 3% | |
| 32 | 0.6% | 0.8% | |
| 33 | 0.1% | 0.2% | |
| 34 | 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 |
|---|---|---|---|
| 16 | 0% | 100% | Last Result |
| 17 | 0.4% | 100% | |
| 18 | 0.5% | 99.6% | |
| 19 | 3% | 99.1% | |
| 20 | 5% | 96% | |
| 21 | 8% | 91% | |
| 22 | 19% | 83% | |
| 23 | 36% | 65% | Median |
| 24 | 22% | 29% | |
| 25 | 5% | 6% | |
| 26 | 0.9% | 1.4% | |
| 27 | 0.4% | 0.5% | |
| 28 | 0.1% | 0.1% | |
| 29 | 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 |
|---|---|---|---|
| 4 | 0.1% | 100% | |
| 5 | 11% | 99.9% | |
| 6 | 26% | 89% | |
| 7 | 17% | 64% | Median |
| 8 | 34% | 46% | |
| 9 | 6% | 12% | |
| 10 | 6% | 6% | |
| 11 | 0.1% | 0.1% | Last Result |
| 12 | 0.1% | 0.1% | |
| 13 | 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 |
|---|---|---|---|
| 3 | 0.5% | 100% | |
| 4 | 18% | 99.5% | |
| 5 | 55% | 81% | Median |
| 6 | 19% | 26% | |
| 7 | 5% | 7% | |
| 8 | 2% | 2% | |
| 9 | 0% | 0% | |
| 10 | 0% | 0% | |
| 11 | 0% | 0% | Last Result |
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 | 13% | 100% | |
| 4 | 7% | 87% | |
| 5 | 33% | 81% | Median |
| 6 | 13% | 47% | |
| 7 | 8% | 34% | |
| 8 | 25% | 26% | |
| 9 | 1.4% | 1.4% | |
| 10 | 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 – Candidatura d’Unitat Popular | 59 | 68 | 64% | 66–71 | 65–72 | 64–73 | 63–75 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Junts per Catalunya – Catalunya en Comú | 60 | 68 | 55% | 65–71 | 64–72 | 63–72 | 62–74 |
| Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Partit Popular – Catalunya en Comú | 63 | 67 | 36% | 64–69 | 63–70 | 62–71 | 60–72 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Partit dels Socialistes de Catalunya (PSC-PSOE) – Catalunya en Comú | 47 | 63 | 2% | 60–66 | 59–67 | 59–67 | 57–69 |
| Esquerra Republicana de Catalunya–Catalunya Sí – Junts per Catalunya | 49 | 63 | 1.3% | 60–66 | 59–66 | 58–67 | 57–68 |
| Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Partit Popular | 52 | 62 | 0.4% | 59–64 | 58–65 | 57–66 | 55–67 |
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 | 0.1% | 100% | |
| 62 | 0.3% | 99.9% | |
| 63 | 1.0% | 99.6% | |
| 64 | 2% | 98.6% | |
| 65 | 5% | 97% | |
| 66 | 9% | 91% | |
| 67 | 19% | 83% | Median |
| 68 | 19% | 64% | Majority |
| 69 | 14% | 45% | |
| 70 | 16% | 31% | |
| 71 | 7% | 15% | |
| 72 | 4% | 8% | |
| 73 | 2% | 4% | |
| 74 | 1.0% | 2% | |
| 75 | 0.4% | 0.6% | |
| 76 | 0.2% | 0.2% | |
| 77 | 0% | 0% |
Esquerra Republicana de Catalunya–Catalunya Sí – Junts per Catalunya – Catalunya en Comú
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 60 | 0.1% | 100% | Last Result |
| 61 | 0.2% | 99.9% | |
| 62 | 0.8% | 99.7% | |
| 63 | 2% | 98.9% | |
| 64 | 5% | 97% | |
| 65 | 10% | 92% | |
| 66 | 12% | 82% | |
| 67 | 15% | 70% | Median |
| 68 | 18% | 55% | Majority |
| 69 | 15% | 37% | |
| 70 | 9% | 22% | |
| 71 | 7% | 13% | |
| 72 | 4% | 6% | |
| 73 | 1.3% | 2% | |
| 74 | 0.4% | 0.6% | |
| 75 | 0.2% | 0.3% | |
| 76 | 0.1% | 0.1% | |
| 77 | 0% | 0% |
Ciutadans–Partido de la Ciudadanía – Partit dels Socialistes de Catalunya (PSC-PSOE) – Partit Popular – Catalunya en Comú
| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 59 | 0.2% | 100% | |
| 60 | 0.4% | 99.8% | |
| 61 | 1.0% | 99.4% | |
| 62 | 2% | 98% | |
| 63 | 4% | 96% | Last Result |
| 64 | 7% | 92% | |
| 65 | 16% | 85% | |
| 66 | 14% | 69% | Median |
| 67 | 19% | 55% | |
| 68 | 19% | 36% | Majority |
| 69 | 9% | 17% | |
| 70 | 5% | 9% | |
| 71 | 2% | 3% | |
| 72 | 1.0% | 1.4% | |
| 73 | 0.3% | 0.4% | |
| 74 | 0.1% | 0.1% | |
| 75 | 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 | 0.1% | 100% | |
| 57 | 0.7% | 99.8% | |
| 58 | 1.3% | 99.1% | |
| 59 | 3% | 98% | |
| 60 | 8% | 95% | |
| 61 | 10% | 86% | |
| 62 | 14% | 76% | |
| 63 | 17% | 62% | Median |
| 64 | 17% | 45% | |
| 65 | 13% | 28% | |
| 66 | 8% | 15% | |
| 67 | 4% | 7% | |
| 68 | 2% | 2% | Majority |
| 69 | 0.7% | 0.9% | |
| 70 | 0.1% | 0.2% | |
| 71 | 0% | 0.1% | |
| 72 | 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 | 0.3% | 99.9% | |
| 57 | 0.9% | 99.6% | |
| 58 | 2% | 98.8% | |
| 59 | 5% | 96% | |
| 60 | 10% | 91% | |
| 61 | 13% | 82% | |
| 62 | 17% | 69% | Median |
| 63 | 17% | 51% | |
| 64 | 14% | 34% | |
| 65 | 8% | 20% | |
| 66 | 7% | 12% | |
| 67 | 4% | 5% | |
| 68 | 1.0% | 1.3% | Majority |
| 69 | 0.2% | 0.4% | |
| 70 | 0.1% | 0.2% | |
| 71 | 0% | 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 |
|---|---|---|---|
| 52 | 0% | 100% | Last Result |
| 53 | 0% | 100% | |
| 54 | 0.2% | 100% | |
| 55 | 0.5% | 99.8% | |
| 56 | 1.2% | 99.3% | |
| 57 | 2% | 98% | |
| 58 | 4% | 96% | |
| 59 | 10% | 92% | |
| 60 | 13% | 82% | |
| 61 | 16% | 68% | Median |
| 62 | 20% | 52% | |
| 63 | 17% | 33% | |
| 64 | 9% | 16% | |
| 65 | 4% | 7% | |
| 66 | 1.5% | 3% | |
| 67 | 1.0% | 1.4% | |
| 68 | 0.3% | 0.4% | Majority |
| 69 | 0.1% | 0.1% | |
| 70 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: Infortécnica
- Commissioner(s): Segre
- Fieldwork period: 4–13 December 2017
Calculations
- Sample size: 1216
- Simulations done: 8,388,608
- Error estimate: 0.88%