Opinion Poll by Sigma Dos for El Mundo, 23–27 March 2018
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 |
|---|---|---|---|---|---|---|
| Ciudadanos–Partido de la Ciudadanía | 13.1% | 26.7% | 25.0–28.6% | 24.5–29.1% | 24.1–29.5% | 23.2–30.4% |
| Partido Popular | 33.0% | 23.3% | 21.6–25.1% | 21.2–25.6% | 20.8–26.0% | 20.0–26.9% |
| Partido Socialista Obrero Español | 22.6% | 19.7% | 18.2–21.4% | 17.7–21.9% | 17.3–22.3% | 16.6–23.1% |
| Unidos Podemos | 21.2% | 18.4% | 16.9–20.1% | 16.5–20.5% | 16.1–20.9% | 15.4–21.7% |
| Esquerra Republicana de Catalunya–Catalunya Sí | 2.7% | 3.3% | 2.7–4.1% | 2.5–4.4% | 2.4–4.6% | 2.1–5.0% |
| Partit Demòcrata Europeu Català | 2.0% | 1.3% | 0.9–1.9% | 0.8–2.1% | 0.8–2.2% | 0.6–2.5% |
| Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco | 1.2% | 1.2% | 0.9–1.8% | 0.8–1.9% | 0.7–2.1% | 0.5–2.4% |
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 |
|---|---|---|---|---|---|---|
| Ciudadanos–Partido de la Ciudadanía | 32 | 99 | 88–108 | 86–111 | 84–113 | 79–116 |
| Partido Popular | 137 | 93 | 86–98 | 80–100 | 78–107 | 76–112 |
| Partido Socialista Obrero Español | 85 | 76 | 66–83 | 65–85 | 61–87 | 59–90 |
| Unidos Podemos | 71 | 59 | 49–68 | 48–69 | 45–71 | 40–76 |
| Esquerra Republicana de Catalunya–Catalunya Sí | 9 | 13 | 10–15 | 9–16 | 9–17 | 8–18 |
| Partit Demòcrata Europeu Català | 8 | 4 | 3–6 | 1–8 | 1–8 | 1–9 |
| Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco | 5 | 6 | 3–7 | 3–8 | 3–8 | 2–10 |
Ciudadanos–Partido de la Ciudadanía
For a full overview of the results for this party, see the Ciudadanos–Partido de la Ciudadanía page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 32 | 0% | 100% | Last Result |
| 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% | 100% | |
| 43 | 0% | 100% | |
| 44 | 0% | 100% | |
| 45 | 0% | 100% | |
| 46 | 0% | 100% | |
| 47 | 0% | 100% | |
| 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% | 100% | |
| 59 | 0% | 100% | |
| 60 | 0% | 100% | |
| 61 | 0% | 100% | |
| 62 | 0% | 100% | |
| 63 | 0% | 100% | |
| 64 | 0% | 100% | |
| 65 | 0% | 100% | |
| 66 | 0% | 100% | |
| 67 | 0% | 100% | |
| 68 | 0% | 100% | |
| 69 | 0% | 100% | |
| 70 | 0% | 100% | |
| 71 | 0% | 100% | |
| 72 | 0% | 100% | |
| 73 | 0% | 100% | |
| 74 | 0% | 100% | |
| 75 | 0.1% | 99.9% | |
| 76 | 0% | 99.8% | |
| 77 | 0.1% | 99.8% | |
| 78 | 0.2% | 99.7% | |
| 79 | 0.2% | 99.6% | |
| 80 | 0.4% | 99.3% | |
| 81 | 0.2% | 99.0% | |
| 82 | 0.3% | 98.7% | |
| 83 | 0.6% | 98% | |
| 84 | 0.4% | 98% | |
| 85 | 1.0% | 97% | |
| 86 | 2% | 96% | |
| 87 | 1.1% | 94% | |
| 88 | 5% | 93% | |
| 89 | 0.6% | 88% | |
| 90 | 3% | 87% | |
| 91 | 10% | 84% | |
| 92 | 3% | 75% | |
| 93 | 2% | 72% | |
| 94 | 2% | 69% | |
| 95 | 7% | 67% | |
| 96 | 4% | 61% | |
| 97 | 4% | 57% | |
| 98 | 2% | 53% | |
| 99 | 5% | 51% | Median |
| 100 | 0.9% | 46% | |
| 101 | 3% | 45% | |
| 102 | 15% | 42% | |
| 103 | 1.4% | 27% | |
| 104 | 6% | 26% | |
| 105 | 2% | 20% | |
| 106 | 2% | 18% | |
| 107 | 2% | 16% | |
| 108 | 6% | 14% | |
| 109 | 0.6% | 8% | |
| 110 | 0.7% | 7% | |
| 111 | 3% | 7% | |
| 112 | 0.8% | 4% | |
| 113 | 0.7% | 3% | |
| 114 | 1.1% | 2% | |
| 115 | 0.3% | 1.3% | |
| 116 | 0.5% | 1.0% | |
| 117 | 0.2% | 0.5% | |
| 118 | 0.1% | 0.3% | |
| 119 | 0.1% | 0.2% | |
| 120 | 0% | 0.1% | |
| 121 | 0% | 0.1% | |
| 122 | 0% | 0.1% | |
| 123 | 0% | 0% |
Partido Popular
For a full overview of the results for this party, see the Partido Popular page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 74 | 0.3% | 100% | |
| 75 | 0.2% | 99.7% | |
| 76 | 0.9% | 99.5% | |
| 77 | 0.6% | 98.6% | |
| 78 | 1.2% | 98% | |
| 79 | 2% | 97% | |
| 80 | 1.4% | 95% | |
| 81 | 1.2% | 94% | |
| 82 | 0.4% | 93% | |
| 83 | 1.3% | 92% | |
| 84 | 0.2% | 91% | |
| 85 | 0.5% | 91% | |
| 86 | 5% | 90% | |
| 87 | 0.3% | 85% | |
| 88 | 3% | 85% | |
| 89 | 5% | 82% | |
| 90 | 3% | 77% | |
| 91 | 6% | 75% | |
| 92 | 15% | 69% | |
| 93 | 6% | 54% | Median |
| 94 | 14% | 47% | |
| 95 | 8% | 33% | |
| 96 | 9% | 26% | |
| 97 | 3% | 17% | |
| 98 | 5% | 14% | |
| 99 | 2% | 9% | |
| 100 | 2% | 6% | |
| 101 | 0.3% | 5% | |
| 102 | 0.2% | 5% | |
| 103 | 0.1% | 4% | |
| 104 | 0.2% | 4% | |
| 105 | 0.2% | 4% | |
| 106 | 1.4% | 4% | |
| 107 | 0.3% | 3% | |
| 108 | 0.4% | 2% | |
| 109 | 0.3% | 2% | |
| 110 | 0.6% | 2% | |
| 111 | 0.1% | 0.9% | |
| 112 | 0.4% | 0.8% | |
| 113 | 0.2% | 0.4% | |
| 114 | 0% | 0.2% | |
| 115 | 0.1% | 0.2% | |
| 116 | 0% | 0.1% | |
| 117 | 0% | 0.1% | |
| 118 | 0% | 0% | |
| 119 | 0% | 0% | |
| 120 | 0% | 0% | |
| 121 | 0% | 0% | |
| 122 | 0% | 0% | |
| 123 | 0% | 0% | |
| 124 | 0% | 0% | |
| 125 | 0% | 0% | |
| 126 | 0% | 0% | |
| 127 | 0% | 0% | |
| 128 | 0% | 0% | |
| 129 | 0% | 0% | |
| 130 | 0% | 0% | |
| 131 | 0% | 0% | |
| 132 | 0% | 0% | |
| 133 | 0% | 0% | |
| 134 | 0% | 0% | |
| 135 | 0% | 0% | |
| 136 | 0% | 0% | |
| 137 | 0% | 0% | Last Result |
Partido Socialista Obrero Español
For a full overview of the results for this party, see the Partido Socialista Obrero Español page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 54 | 0% | 100% | |
| 55 | 0% | 99.9% | |
| 56 | 0.1% | 99.9% | |
| 57 | 0% | 99.8% | |
| 58 | 0.3% | 99.8% | |
| 59 | 0.9% | 99.5% | |
| 60 | 0.7% | 98.7% | |
| 61 | 0.6% | 98% | |
| 62 | 0.4% | 97% | |
| 63 | 0.4% | 97% | |
| 64 | 0.7% | 96% | |
| 65 | 1.0% | 96% | |
| 66 | 7% | 95% | |
| 67 | 2% | 88% | |
| 68 | 2% | 86% | |
| 69 | 4% | 84% | |
| 70 | 0.8% | 80% | |
| 71 | 5% | 79% | |
| 72 | 6% | 75% | |
| 73 | 5% | 68% | |
| 74 | 2% | 64% | |
| 75 | 3% | 62% | |
| 76 | 24% | 58% | Median |
| 77 | 3% | 34% | |
| 78 | 3% | 31% | |
| 79 | 9% | 27% | |
| 80 | 6% | 18% | |
| 81 | 1.0% | 12% | |
| 82 | 0.9% | 11% | |
| 83 | 1.5% | 10% | |
| 84 | 3% | 9% | |
| 85 | 2% | 6% | Last Result |
| 86 | 2% | 4% | |
| 87 | 1.2% | 3% | |
| 88 | 0.7% | 2% | |
| 89 | 0.3% | 0.9% | |
| 90 | 0.3% | 0.6% | |
| 91 | 0.2% | 0.3% | |
| 92 | 0% | 0.1% | |
| 93 | 0% | 0% |
Unidos Podemos
For a full overview of the results for this party, see the Unidos Podemos page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 38 | 0% | 100% | |
| 39 | 0.1% | 99.9% | |
| 40 | 0.4% | 99.8% | |
| 41 | 0.5% | 99.4% | |
| 42 | 0.5% | 98.9% | |
| 43 | 0.4% | 98% | |
| 44 | 0.4% | 98% | |
| 45 | 0.9% | 98% | |
| 46 | 0.7% | 97% | |
| 47 | 0.8% | 96% | |
| 48 | 4% | 95% | |
| 49 | 1.5% | 91% | |
| 50 | 0.6% | 90% | |
| 51 | 3% | 89% | |
| 52 | 5% | 87% | |
| 53 | 4% | 81% | |
| 54 | 2% | 77% | |
| 55 | 14% | 75% | |
| 56 | 2% | 61% | |
| 57 | 3% | 59% | |
| 58 | 4% | 56% | |
| 59 | 4% | 52% | Median |
| 60 | 10% | 48% | |
| 61 | 13% | 38% | |
| 62 | 1.4% | 25% | |
| 63 | 3% | 23% | |
| 64 | 2% | 20% | |
| 65 | 3% | 18% | |
| 66 | 2% | 15% | |
| 67 | 1.5% | 13% | |
| 68 | 5% | 12% | |
| 69 | 3% | 7% | |
| 70 | 2% | 4% | |
| 71 | 0.5% | 3% | Last Result |
| 72 | 0.4% | 2% | |
| 73 | 0.2% | 2% | |
| 74 | 0.4% | 1.4% | |
| 75 | 0.4% | 1.0% | |
| 76 | 0.4% | 0.6% | |
| 77 | 0% | 0.2% | |
| 78 | 0.1% | 0.1% | |
| 79 | 0% | 0% |
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 |
|---|---|---|---|
| 7 | 0.1% | 100% | |
| 8 | 0.8% | 99.9% | |
| 9 | 7% | 99.1% | Last Result |
| 10 | 4% | 92% | |
| 11 | 7% | 88% | |
| 12 | 27% | 81% | |
| 13 | 11% | 54% | Median |
| 14 | 26% | 43% | |
| 15 | 11% | 16% | |
| 16 | 1.2% | 5% | |
| 17 | 2% | 4% | |
| 18 | 2% | 2% | |
| 19 | 0.3% | 0.5% | |
| 20 | 0.1% | 0.2% | |
| 21 | 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 |
|---|---|---|---|
| 0 | 0.1% | 100% | |
| 1 | 5% | 99.9% | |
| 2 | 3% | 95% | |
| 3 | 17% | 91% | |
| 4 | 43% | 75% | Median |
| 5 | 16% | 32% | |
| 6 | 8% | 16% | |
| 7 | 2% | 7% | |
| 8 | 5% | 5% | Last Result |
| 9 | 0.2% | 0.6% | |
| 10 | 0.3% | 0.3% | |
| 11 | 0% | 0% |
Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco
For a full overview of the results for this party, see the Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco page.

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 1 | 0.1% | 100% | |
| 2 | 0.6% | 99.9% | |
| 3 | 13% | 99.3% | |
| 4 | 0.4% | 86% | |
| 5 | 11% | 86% | Last Result |
| 6 | 49% | 74% | Median |
| 7 | 19% | 26% | |
| 8 | 5% | 7% | |
| 9 | 2% | 2% | |
| 10 | 0.3% | 0.6% | |
| 11 | 0.2% | 0.2% | |
| 12 | 0% | 0% |
Coalitions

Confidence Intervals
| Coalition | Last Result | Median | Majority? | 80% Confidence Interval | 90% Confidence Interval | 95% Confidence Interval | 99% Confidence Interval |
|---|---|---|---|---|---|---|---|
| Ciudadanos–Partido de la Ciudadanía – Partido Popular – Partido Socialista Obrero Español | 254 | 265 | 100% | 256–274 | 254–276 | 252–280 | 248–284 |
| Ciudadanos–Partido de la Ciudadanía – Partido Socialista Obrero Español – Unidos Podemos | 188 | 231 | 100% | 225–238 | 220–245 | 216–247 | 211–250 |
| Ciudadanos–Partido de la Ciudadanía – Partido Popular – Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco | 174 | 197 | 99.7% | 187–205 | 183–209 | 181–211 | 176–218 |
| Ciudadanos–Partido de la Ciudadanía – Partido Popular | 169 | 192 | 98% | 182–200 | 177–203 | 176–205 | 171–212 |
| Ciudadanos–Partido de la Ciudadanía – Partido Socialista Obrero Español | 117 | 173 | 42% | 164–184 | 161–186 | 158–188 | 153–195 |
| Partido Popular – Partido Socialista Obrero Español | 222 | 168 | 12% | 157–177 | 154–182 | 152–184 | 148–187 |
| Partido Socialista Obrero Español – Unidos Podemos – Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català | 173 | 150 | 0.1% | 141–160 | 138–164 | 135–166 | 129–170 |
| Partido Socialista Obrero Español – Unidos Podemos – Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco | 161 | 137 | 0% | 129–149 | 126–152 | 123–153 | 118–160 |
| Partido Socialista Obrero Español – Unidos Podemos | 156 | 132 | 0% | 123–143 | 121–146 | 117–149 | 111–154 |
| Partido Popular | 137 | 93 | 0% | 86–98 | 80–100 | 78–107 | 76–112 |
| Partido Socialista Obrero Español | 85 | 76 | 0% | 66–83 | 65–85 | 61–87 | 59–90 |
Ciudadanos–Partido de la Ciudadanía – Partido Popular – Partido Socialista Obrero Español

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 245 | 0% | 100% | |
| 246 | 0% | 99.9% | |
| 247 | 0.2% | 99.9% | |
| 248 | 0.3% | 99.7% | |
| 249 | 0.7% | 99.3% | |
| 250 | 0.3% | 98.7% | |
| 251 | 0.5% | 98% | |
| 252 | 0.8% | 98% | |
| 253 | 1.2% | 97% | |
| 254 | 1.1% | 96% | Last Result |
| 255 | 2% | 95% | |
| 256 | 4% | 93% | |
| 257 | 3% | 89% | |
| 258 | 1.0% | 86% | |
| 259 | 2% | 85% | |
| 260 | 1.0% | 83% | |
| 261 | 2% | 82% | |
| 262 | 5% | 81% | |
| 263 | 11% | 76% | |
| 264 | 12% | 65% | |
| 265 | 5% | 53% | |
| 266 | 4% | 49% | |
| 267 | 4% | 45% | |
| 268 | 6% | 41% | Median |
| 269 | 0.5% | 35% | |
| 270 | 18% | 34% | |
| 271 | 2% | 16% | |
| 272 | 1.3% | 14% | |
| 273 | 1.0% | 13% | |
| 274 | 4% | 12% | |
| 275 | 2% | 8% | |
| 276 | 1.3% | 6% | |
| 277 | 0.9% | 5% | |
| 278 | 0.9% | 4% | |
| 279 | 0.3% | 3% | |
| 280 | 0.8% | 3% | |
| 281 | 0.7% | 2% | |
| 282 | 0.4% | 1.3% | |
| 283 | 0.3% | 0.9% | |
| 284 | 0.1% | 0.6% | |
| 285 | 0.4% | 0.5% | |
| 286 | 0.1% | 0.1% | |
| 287 | 0% | 0% |
Ciudadanos–Partido de la Ciudadanía – Partido Socialista Obrero Español – Unidos Podemos

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 188 | 0% | 100% | Last Result |
| 189 | 0% | 100% | |
| 190 | 0% | 100% | |
| 191 | 0% | 100% | |
| 192 | 0% | 100% | |
| 193 | 0% | 100% | |
| 194 | 0% | 100% | |
| 195 | 0% | 100% | |
| 196 | 0% | 100% | |
| 197 | 0% | 100% | |
| 198 | 0% | 100% | |
| 199 | 0% | 100% | |
| 200 | 0% | 100% | |
| 201 | 0% | 100% | |
| 202 | 0% | 100% | |
| 203 | 0% | 100% | |
| 204 | 0% | 100% | |
| 205 | 0% | 100% | |
| 206 | 0% | 99.9% | |
| 207 | 0% | 99.9% | |
| 208 | 0% | 99.9% | |
| 209 | 0.1% | 99.9% | |
| 210 | 0.2% | 99.8% | |
| 211 | 0.2% | 99.6% | |
| 212 | 0.3% | 99.4% | |
| 213 | 0.5% | 99.1% | |
| 214 | 0.5% | 98.6% | |
| 215 | 0.1% | 98% | |
| 216 | 0.9% | 98% | |
| 217 | 0.3% | 97% | |
| 218 | 0.3% | 97% | |
| 219 | 0.4% | 96% | |
| 220 | 1.2% | 96% | |
| 221 | 0.4% | 95% | |
| 222 | 0.4% | 94% | |
| 223 | 0.7% | 94% | |
| 224 | 0.9% | 93% | |
| 225 | 3% | 92% | |
| 226 | 3% | 89% | |
| 227 | 9% | 86% | |
| 228 | 5% | 78% | |
| 229 | 7% | 72% | |
| 230 | 6% | 65% | |
| 231 | 9% | 58% | |
| 232 | 4% | 49% | |
| 233 | 17% | 45% | |
| 234 | 5% | 28% | Median |
| 235 | 3% | 23% | |
| 236 | 8% | 20% | |
| 237 | 1.5% | 12% | |
| 238 | 0.9% | 10% | |
| 239 | 0.3% | 9% | |
| 240 | 0.9% | 9% | |
| 241 | 0.7% | 8% | |
| 242 | 0.5% | 7% | |
| 243 | 0.7% | 7% | |
| 244 | 1.0% | 6% | |
| 245 | 0.9% | 5% | |
| 246 | 2% | 4% | |
| 247 | 0.9% | 3% | |
| 248 | 0.4% | 2% | |
| 249 | 0.5% | 1.2% | |
| 250 | 0.5% | 0.7% | |
| 251 | 0.2% | 0.3% | |
| 252 | 0% | 0% |
Ciudadanos–Partido de la Ciudadanía – Partido Popular – Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 171 | 0% | 100% | |
| 172 | 0% | 99.9% | |
| 173 | 0% | 99.9% | |
| 174 | 0.1% | 99.9% | Last Result |
| 175 | 0.1% | 99.8% | |
| 176 | 0.3% | 99.7% | Majority |
| 177 | 0.1% | 99.4% | |
| 178 | 0.3% | 99.3% | |
| 179 | 0.5% | 99.0% | |
| 180 | 0.8% | 98.5% | |
| 181 | 0.5% | 98% | |
| 182 | 0.8% | 97% | |
| 183 | 2% | 96% | |
| 184 | 0.5% | 94% | |
| 185 | 0.8% | 93% | |
| 186 | 2% | 93% | |
| 187 | 2% | 91% | |
| 188 | 2% | 89% | |
| 189 | 7% | 87% | |
| 190 | 2% | 80% | |
| 191 | 9% | 78% | |
| 192 | 4% | 69% | |
| 193 | 1.1% | 66% | |
| 194 | 0.8% | 64% | |
| 195 | 2% | 64% | |
| 196 | 10% | 61% | |
| 197 | 4% | 52% | |
| 198 | 2% | 48% | Median |
| 199 | 3% | 45% | |
| 200 | 15% | 42% | |
| 201 | 5% | 28% | |
| 202 | 2% | 23% | |
| 203 | 3% | 20% | |
| 204 | 2% | 18% | |
| 205 | 6% | 16% | |
| 206 | 1.1% | 10% | |
| 207 | 2% | 9% | |
| 208 | 1.2% | 7% | |
| 209 | 1.2% | 5% | |
| 210 | 0.8% | 4% | |
| 211 | 1.0% | 3% | |
| 212 | 0.2% | 2% | |
| 213 | 0.2% | 2% | |
| 214 | 0.5% | 2% | |
| 215 | 0.5% | 2% | |
| 216 | 0.2% | 1.0% | |
| 217 | 0.1% | 0.8% | |
| 218 | 0.4% | 0.7% | |
| 219 | 0.1% | 0.3% | |
| 220 | 0.1% | 0.2% | |
| 221 | 0.1% | 0.2% | |
| 222 | 0% | 0.1% | |
| 223 | 0% | 0.1% | |
| 224 | 0% | 0.1% | |
| 225 | 0% | 0% |
Ciudadanos–Partido de la Ciudadanía – Partido Popular

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 166 | 0% | 100% | |
| 167 | 0% | 99.9% | |
| 168 | 0.1% | 99.9% | |
| 169 | 0.1% | 99.8% | Last Result |
| 170 | 0.1% | 99.7% | |
| 171 | 0.2% | 99.6% | |
| 172 | 0.4% | 99.4% | |
| 173 | 0.4% | 99.0% | |
| 174 | 0.2% | 98.6% | |
| 175 | 0.6% | 98% | |
| 176 | 1.3% | 98% | Majority |
| 177 | 2% | 97% | |
| 178 | 0.4% | 94% | |
| 179 | 1.0% | 94% | |
| 180 | 2% | 93% | |
| 181 | 1.1% | 91% | |
| 182 | 2% | 90% | |
| 183 | 7% | 88% | |
| 184 | 2% | 82% | |
| 185 | 9% | 79% | |
| 186 | 3% | 71% | |
| 187 | 2% | 68% | |
| 188 | 3% | 66% | |
| 189 | 1.2% | 62% | |
| 190 | 3% | 61% | |
| 191 | 7% | 58% | |
| 192 | 6% | 51% | Median |
| 193 | 2% | 44% | |
| 194 | 18% | 42% | |
| 195 | 0.7% | 24% | |
| 196 | 1.2% | 23% | |
| 197 | 3% | 22% | |
| 198 | 6% | 19% | |
| 199 | 3% | 14% | |
| 200 | 3% | 11% | |
| 201 | 0.7% | 9% | |
| 202 | 3% | 8% | |
| 203 | 1.1% | 5% | |
| 204 | 0.6% | 4% | |
| 205 | 1.0% | 3% | |
| 206 | 0.2% | 2% | |
| 207 | 0.1% | 2% | |
| 208 | 0.6% | 2% | |
| 209 | 0.5% | 1.5% | |
| 210 | 0.2% | 1.0% | |
| 211 | 0.2% | 0.8% | |
| 212 | 0.4% | 0.7% | |
| 213 | 0% | 0.3% | |
| 214 | 0.1% | 0.3% | |
| 215 | 0% | 0.1% | |
| 216 | 0% | 0.1% | |
| 217 | 0% | 0.1% | |
| 218 | 0% | 0.1% | |
| 219 | 0% | 0% |
Ciudadanos–Partido de la Ciudadanía – Partido Socialista Obrero Español

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 117 | 0% | 100% | Last Result |
| 118 | 0% | 100% | |
| 119 | 0% | 100% | |
| 120 | 0% | 100% | |
| 121 | 0% | 100% | |
| 122 | 0% | 100% | |
| 123 | 0% | 100% | |
| 124 | 0% | 100% | |
| 125 | 0% | 100% | |
| 126 | 0% | 100% | |
| 127 | 0% | 100% | |
| 128 | 0% | 100% | |
| 129 | 0% | 100% | |
| 130 | 0% | 100% | |
| 131 | 0% | 100% | |
| 132 | 0% | 100% | |
| 133 | 0% | 100% | |
| 134 | 0% | 100% | |
| 135 | 0% | 100% | |
| 136 | 0% | 100% | |
| 137 | 0% | 100% | |
| 138 | 0% | 100% | |
| 139 | 0% | 100% | |
| 140 | 0% | 100% | |
| 141 | 0% | 100% | |
| 142 | 0% | 100% | |
| 143 | 0% | 100% | |
| 144 | 0% | 100% | |
| 145 | 0% | 100% | |
| 146 | 0% | 100% | |
| 147 | 0% | 100% | |
| 148 | 0% | 100% | |
| 149 | 0% | 99.9% | |
| 150 | 0.1% | 99.9% | |
| 151 | 0.1% | 99.8% | |
| 152 | 0.2% | 99.8% | |
| 153 | 0.3% | 99.5% | |
| 154 | 0.2% | 99.2% | |
| 155 | 0.1% | 99.0% | |
| 156 | 0.4% | 98.9% | |
| 157 | 0.3% | 98% | |
| 158 | 0.9% | 98% | |
| 159 | 0.5% | 97% | |
| 160 | 0.6% | 97% | |
| 161 | 1.4% | 96% | |
| 162 | 3% | 95% | |
| 163 | 1.2% | 92% | |
| 164 | 2% | 91% | |
| 165 | 3% | 89% | |
| 166 | 2% | 86% | |
| 167 | 8% | 84% | |
| 168 | 8% | 76% | |
| 169 | 3% | 68% | |
| 170 | 12% | 65% | |
| 171 | 2% | 53% | |
| 172 | 1.4% | 51% | |
| 173 | 3% | 50% | |
| 174 | 2% | 48% | |
| 175 | 3% | 45% | Median |
| 176 | 2% | 42% | Majority |
| 177 | 5% | 40% | |
| 178 | 14% | 35% | |
| 179 | 2% | 21% | |
| 180 | 3% | 19% | |
| 181 | 2% | 16% | |
| 182 | 0.3% | 14% | |
| 183 | 2% | 14% | |
| 184 | 5% | 12% | |
| 185 | 2% | 7% | |
| 186 | 1.5% | 5% | |
| 187 | 0.4% | 4% | |
| 188 | 0.8% | 3% | |
| 189 | 0.5% | 2% | |
| 190 | 0.5% | 2% | |
| 191 | 0.6% | 1.5% | |
| 192 | 0.3% | 0.9% | |
| 193 | 0.1% | 0.6% | |
| 194 | 0.1% | 0.6% | |
| 195 | 0.3% | 0.5% | |
| 196 | 0% | 0.2% | |
| 197 | 0% | 0.1% | |
| 198 | 0.1% | 0.1% | |
| 199 | 0% | 0.1% | |
| 200 | 0% | 0% |
Partido Popular – Partido Socialista Obrero Español

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 142 | 0% | 100% | |
| 143 | 0% | 99.9% | |
| 144 | 0% | 99.9% | |
| 145 | 0% | 99.9% | |
| 146 | 0.1% | 99.9% | |
| 147 | 0.1% | 99.8% | |
| 148 | 0.4% | 99.7% | |
| 149 | 0.1% | 99.3% | |
| 150 | 0.2% | 99.2% | |
| 151 | 0.3% | 99.0% | |
| 152 | 1.4% | 98.7% | |
| 153 | 1.2% | 97% | |
| 154 | 2% | 96% | |
| 155 | 0.7% | 94% | |
| 156 | 1.3% | 94% | |
| 157 | 3% | 92% | |
| 158 | 3% | 90% | |
| 159 | 0.9% | 87% | |
| 160 | 7% | 86% | |
| 161 | 1.4% | 79% | |
| 162 | 7% | 78% | |
| 163 | 1.3% | 70% | |
| 164 | 5% | 69% | |
| 165 | 2% | 64% | |
| 166 | 2% | 62% | |
| 167 | 3% | 61% | |
| 168 | 18% | 58% | |
| 169 | 4% | 39% | Median |
| 170 | 2% | 35% | |
| 171 | 2% | 33% | |
| 172 | 2% | 32% | |
| 173 | 11% | 30% | |
| 174 | 2% | 19% | |
| 175 | 5% | 17% | |
| 176 | 2% | 12% | Majority |
| 177 | 1.3% | 10% | |
| 178 | 0.8% | 9% | |
| 179 | 2% | 8% | |
| 180 | 0.8% | 7% | |
| 181 | 0.5% | 6% | |
| 182 | 1.0% | 5% | |
| 183 | 2% | 4% | |
| 184 | 0.9% | 3% | |
| 185 | 0.6% | 2% | |
| 186 | 0.4% | 1.1% | |
| 187 | 0.2% | 0.7% | |
| 188 | 0.1% | 0.5% | |
| 189 | 0.2% | 0.4% | |
| 190 | 0.1% | 0.2% | |
| 191 | 0.1% | 0.2% | |
| 192 | 0.1% | 0.1% | |
| 193 | 0% | 0.1% | |
| 194 | 0% | 0% | |
| 195 | 0% | 0% | |
| 196 | 0% | 0% | |
| 197 | 0% | 0% | |
| 198 | 0% | 0% | |
| 199 | 0% | 0% | |
| 200 | 0% | 0% | |
| 201 | 0% | 0% | |
| 202 | 0% | 0% | |
| 203 | 0% | 0% | |
| 204 | 0% | 0% | |
| 205 | 0% | 0% | |
| 206 | 0% | 0% | |
| 207 | 0% | 0% | |
| 208 | 0% | 0% | |
| 209 | 0% | 0% | |
| 210 | 0% | 0% | |
| 211 | 0% | 0% | |
| 212 | 0% | 0% | |
| 213 | 0% | 0% | |
| 214 | 0% | 0% | |
| 215 | 0% | 0% | |
| 216 | 0% | 0% | |
| 217 | 0% | 0% | |
| 218 | 0% | 0% | |
| 219 | 0% | 0% | |
| 220 | 0% | 0% | |
| 221 | 0% | 0% | |
| 222 | 0% | 0% | Last Result |
Partido Socialista Obrero Español – Unidos Podemos – Esquerra Republicana de Catalunya–Catalunya Sí – Partit Demòcrata Europeu Català

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 122 | 0% | 100% | |
| 123 | 0% | 99.9% | |
| 124 | 0% | 99.9% | |
| 125 | 0% | 99.9% | |
| 126 | 0% | 99.9% | |
| 127 | 0.1% | 99.8% | |
| 128 | 0.1% | 99.8% | |
| 129 | 0.4% | 99.6% | |
| 130 | 0.1% | 99.2% | |
| 131 | 0.3% | 99.2% | |
| 132 | 0.4% | 98.9% | |
| 133 | 0.5% | 98% | |
| 134 | 0.2% | 98% | |
| 135 | 0.4% | 98% | |
| 136 | 0.9% | 97% | |
| 137 | 1.0% | 97% | |
| 138 | 1.1% | 96% | |
| 139 | 1.1% | 94% | |
| 140 | 2% | 93% | |
| 141 | 3% | 91% | |
| 142 | 4% | 88% | |
| 143 | 2% | 84% | |
| 144 | 3% | 82% | |
| 145 | 2% | 79% | |
| 146 | 5% | 77% | |
| 147 | 15% | 72% | |
| 148 | 3% | 57% | |
| 149 | 3% | 54% | |
| 150 | 4% | 51% | |
| 151 | 9% | 47% | |
| 152 | 2% | 38% | Median |
| 153 | 0.5% | 36% | |
| 154 | 2% | 36% | |
| 155 | 4% | 34% | |
| 156 | 8% | 30% | |
| 157 | 3% | 22% | |
| 158 | 6% | 18% | |
| 159 | 2% | 12% | |
| 160 | 2% | 10% | |
| 161 | 2% | 9% | |
| 162 | 0.8% | 7% | |
| 163 | 0.7% | 6% | |
| 164 | 2% | 6% | |
| 165 | 0.8% | 4% | |
| 166 | 1.0% | 3% | |
| 167 | 0.4% | 2% | |
| 168 | 0.4% | 1.4% | |
| 169 | 0.3% | 1.0% | |
| 170 | 0.2% | 0.7% | |
| 171 | 0.2% | 0.5% | |
| 172 | 0.1% | 0.3% | |
| 173 | 0.1% | 0.2% | Last Result |
| 174 | 0% | 0.1% | |
| 175 | 0% | 0.1% | |
| 176 | 0% | 0.1% | Majority |
| 177 | 0% | 0% |
Partido Socialista Obrero Español – Unidos Podemos – Euzko Alderdi Jeltzalea/Partido Nacionalista Vasco

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 110 | 0% | 100% | |
| 111 | 0% | 99.9% | |
| 112 | 0% | 99.9% | |
| 113 | 0% | 99.9% | |
| 114 | 0% | 99.9% | |
| 115 | 0.1% | 99.9% | |
| 116 | 0.1% | 99.7% | |
| 117 | 0.2% | 99.7% | |
| 118 | 0.3% | 99.5% | |
| 119 | 0.2% | 99.2% | |
| 120 | 0.2% | 99.0% | |
| 121 | 0.5% | 98.7% | |
| 122 | 0.6% | 98% | |
| 123 | 0.4% | 98% | |
| 124 | 0.6% | 97% | |
| 125 | 1.2% | 97% | |
| 126 | 2% | 95% | |
| 127 | 0.4% | 94% | |
| 128 | 2% | 93% | |
| 129 | 2% | 91% | |
| 130 | 3% | 90% | |
| 131 | 2% | 87% | |
| 132 | 1.3% | 85% | |
| 133 | 4% | 83% | |
| 134 | 2% | 79% | |
| 135 | 7% | 77% | |
| 136 | 5% | 71% | |
| 137 | 18% | 65% | |
| 138 | 1.4% | 47% | |
| 139 | 3% | 46% | |
| 140 | 1.0% | 43% | |
| 141 | 2% | 42% | Median |
| 142 | 5% | 39% | |
| 143 | 4% | 34% | |
| 144 | 4% | 30% | |
| 145 | 1.1% | 26% | |
| 146 | 9% | 25% | |
| 147 | 5% | 16% | |
| 148 | 0.8% | 11% | |
| 149 | 2% | 11% | |
| 150 | 0.6% | 8% | |
| 151 | 1.0% | 8% | |
| 152 | 3% | 7% | |
| 153 | 1.4% | 4% | |
| 154 | 0.4% | 2% | |
| 155 | 0.2% | 2% | |
| 156 | 0.4% | 2% | |
| 157 | 0.2% | 1.2% | |
| 158 | 0.2% | 1.0% | |
| 159 | 0.3% | 0.8% | |
| 160 | 0.3% | 0.5% | |
| 161 | 0% | 0.2% | Last Result |
| 162 | 0.1% | 0.2% | |
| 163 | 0% | 0.1% | |
| 164 | 0% | 0.1% | |
| 165 | 0% | 0.1% | |
| 166 | 0% | 0% |
Partido Socialista Obrero Español – Unidos Podemos

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 105 | 0% | 100% | |
| 106 | 0% | 99.9% | |
| 107 | 0% | 99.9% | |
| 108 | 0% | 99.9% | |
| 109 | 0.1% | 99.9% | |
| 110 | 0.1% | 99.7% | |
| 111 | 0.2% | 99.6% | |
| 112 | 0.3% | 99.4% | |
| 113 | 0.2% | 99.1% | |
| 114 | 0.2% | 98.9% | |
| 115 | 0.5% | 98.7% | |
| 116 | 0.4% | 98% | |
| 117 | 0.8% | 98% | |
| 118 | 0.5% | 97% | |
| 119 | 0.9% | 97% | |
| 120 | 0.5% | 96% | |
| 121 | 1.0% | 95% | |
| 122 | 2% | 94% | |
| 123 | 3% | 93% | |
| 124 | 3% | 90% | |
| 125 | 1.3% | 87% | |
| 126 | 4% | 85% | |
| 127 | 1.5% | 81% | |
| 128 | 6% | 79% | |
| 129 | 4% | 73% | |
| 130 | 1.4% | 70% | |
| 131 | 17% | 68% | |
| 132 | 6% | 51% | |
| 133 | 0.5% | 45% | |
| 134 | 1.3% | 44% | |
| 135 | 4% | 43% | Median |
| 136 | 3% | 39% | |
| 137 | 2% | 36% | |
| 138 | 6% | 34% | |
| 139 | 3% | 28% | |
| 140 | 9% | 25% | |
| 141 | 5% | 16% | |
| 142 | 1.2% | 11% | |
| 143 | 0.6% | 10% | |
| 144 | 0.6% | 9% | |
| 145 | 1.2% | 9% | |
| 146 | 3% | 8% | |
| 147 | 1.3% | 4% | |
| 148 | 0.2% | 3% | |
| 149 | 0.8% | 3% | |
| 150 | 0.7% | 2% | |
| 151 | 0.1% | 1.1% | |
| 152 | 0.4% | 1.1% | |
| 153 | 0.2% | 0.7% | |
| 154 | 0.1% | 0.5% | |
| 155 | 0.2% | 0.4% | |
| 156 | 0.1% | 0.2% | Last Result |
| 157 | 0% | 0.1% | |
| 158 | 0% | 0.1% | |
| 159 | 0% | 0.1% | |
| 160 | 0% | 0% |
Partido Popular

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 74 | 0.3% | 100% | |
| 75 | 0.2% | 99.7% | |
| 76 | 0.9% | 99.5% | |
| 77 | 0.6% | 98.6% | |
| 78 | 1.2% | 98% | |
| 79 | 2% | 97% | |
| 80 | 1.4% | 95% | |
| 81 | 1.2% | 94% | |
| 82 | 0.4% | 93% | |
| 83 | 1.3% | 92% | |
| 84 | 0.2% | 91% | |
| 85 | 0.5% | 91% | |
| 86 | 5% | 90% | |
| 87 | 0.3% | 85% | |
| 88 | 3% | 85% | |
| 89 | 5% | 82% | |
| 90 | 3% | 77% | |
| 91 | 6% | 75% | |
| 92 | 15% | 69% | |
| 93 | 6% | 54% | Median |
| 94 | 14% | 47% | |
| 95 | 8% | 33% | |
| 96 | 9% | 26% | |
| 97 | 3% | 17% | |
| 98 | 5% | 14% | |
| 99 | 2% | 9% | |
| 100 | 2% | 6% | |
| 101 | 0.3% | 5% | |
| 102 | 0.2% | 5% | |
| 103 | 0.1% | 4% | |
| 104 | 0.2% | 4% | |
| 105 | 0.2% | 4% | |
| 106 | 1.4% | 4% | |
| 107 | 0.3% | 3% | |
| 108 | 0.4% | 2% | |
| 109 | 0.3% | 2% | |
| 110 | 0.6% | 2% | |
| 111 | 0.1% | 0.9% | |
| 112 | 0.4% | 0.8% | |
| 113 | 0.2% | 0.4% | |
| 114 | 0% | 0.2% | |
| 115 | 0.1% | 0.2% | |
| 116 | 0% | 0.1% | |
| 117 | 0% | 0.1% | |
| 118 | 0% | 0% | |
| 119 | 0% | 0% | |
| 120 | 0% | 0% | |
| 121 | 0% | 0% | |
| 122 | 0% | 0% | |
| 123 | 0% | 0% | |
| 124 | 0% | 0% | |
| 125 | 0% | 0% | |
| 126 | 0% | 0% | |
| 127 | 0% | 0% | |
| 128 | 0% | 0% | |
| 129 | 0% | 0% | |
| 130 | 0% | 0% | |
| 131 | 0% | 0% | |
| 132 | 0% | 0% | |
| 133 | 0% | 0% | |
| 134 | 0% | 0% | |
| 135 | 0% | 0% | |
| 136 | 0% | 0% | |
| 137 | 0% | 0% | Last Result |
Partido Socialista Obrero Español

| Number of Seats | Probability | Accumulated | Special Marks |
|---|---|---|---|
| 54 | 0% | 100% | |
| 55 | 0% | 99.9% | |
| 56 | 0.1% | 99.9% | |
| 57 | 0% | 99.8% | |
| 58 | 0.3% | 99.8% | |
| 59 | 0.9% | 99.5% | |
| 60 | 0.7% | 98.7% | |
| 61 | 0.6% | 98% | |
| 62 | 0.4% | 97% | |
| 63 | 0.4% | 97% | |
| 64 | 0.7% | 96% | |
| 65 | 1.0% | 96% | |
| 66 | 7% | 95% | |
| 67 | 2% | 88% | |
| 68 | 2% | 86% | |
| 69 | 4% | 84% | |
| 70 | 0.8% | 80% | |
| 71 | 5% | 79% | |
| 72 | 6% | 75% | |
| 73 | 5% | 68% | |
| 74 | 2% | 64% | |
| 75 | 3% | 62% | |
| 76 | 24% | 58% | Median |
| 77 | 3% | 34% | |
| 78 | 3% | 31% | |
| 79 | 9% | 27% | |
| 80 | 6% | 18% | |
| 81 | 1.0% | 12% | |
| 82 | 0.9% | 11% | |
| 83 | 1.5% | 10% | |
| 84 | 3% | 9% | |
| 85 | 2% | 6% | Last Result |
| 86 | 2% | 4% | |
| 87 | 1.2% | 3% | |
| 88 | 0.7% | 2% | |
| 89 | 0.3% | 0.9% | |
| 90 | 0.3% | 0.6% | |
| 91 | 0.2% | 0.3% | |
| 92 | 0% | 0.1% | |
| 93 | 0% | 0% |
Technical Information
Opinion Poll
- Polling firm: Sigma Dos
- Commissioner(s): El Mundo
- Fieldwork period: 23–27 March 2018
Calculations
- Sample size: 1000
- Simulations done: 131,072
- Error estimate: 1.19%