| Participación | |||||||
|---|---|---|---|---|---|---|---|
| Censo de mesas | Primer avance | Segundo avance | |||||
| Provincias | Total | Abiertas | 2015 | 2011 | 2015 | 2011 | |
| A Coruña | 942.322 | 942.322 | 100% | 31,91% | 33,15% | 49,55% | 49,93% |
| Albacete | 306.237 | 306.237 | 100% | 38,20% | 40,67% | 54,29% | 57,10% |
| Alicante / Alacant | 1.292.593 | 1.292.593 | 100% | 39,16% | 40,62% | 52,40% | 52,92% |
| Almería | 466.497 | 466.497 | 100% | 32,83% | 36,31% | 46,70% | 43,50% |
| Araba / Álava | 250.172 | 250.172 | 100% | 34,61% | 33,15% | 49,37% | 46,67% |
| Asturias | 884.179 | 884.179 | 100% | 33,71% | 35,01% | 49,26% | 51,27% |
| Ávila | 134.336 | 134.336 | 100% | 39,01% | 42,24% | 57,79% | 60,49% |
| Badajoz | 550.840 | 550.840 | 100% | 40,58% | 42,98% | 54,49% | 56,59% |
| Barcelona | 4.007.779 | 4.007.779 | 100% | 31,57% | 27,99% | 43,94% | 36,85% |
| Bizkaia | 918.197 | 918.197 | 100% | 34,69% | 34,81% | 49,91% | 49,38% |
| Burgos | 286.863 | 286.863 | 100% | 34,93% | 36,28% | 50,69% | 51,32% |
| Cáceres | 337.671 | 337.671 | 100% | 41,70% | 44,97% | 57,25% | 59,66% |
| Cádiz | 972.889 | 972.889 | 100% | 29,67% | 33,76% | 43,12% | 44,43% |
| Cantabria | 470.109 | 470.109 | 100% | 38,47% | 39,40% | 56,18% | 57,24% |
| Castellón / Castelló | 423.101 | 423.101 | 100% | 42,38% | 41,20% | 56,82% | 54,77% |
| Ceuta | 59.399 | 59.399 | 100% | 23,53% | 26,55% | 37,37% | 38,85% |
| Ciudad Real | 400.493 | 400.493 | 100% | 37,28% | 37,33% | 53,61% | 53,14% |
| Córdoba | 641.377 | 641.377 | 100% | 35,17% | 39,34% | 48,42% | 51,43% |
| Cuenca | 159.512 | 159.512 | 100% | 41,28% | 44,08% | 59,61% | 63,71% |
| Gipuzkoa | 558.053 | 558.053 | 100% | 37,39% | 36,83% | 51,42% | 48,80% |
| Girona | 507.776 | 507.776 | 100% | 33,44% | 31,96% | 46,53% | 43,21% |
| Granada | 711.241 | 711.241 | 100% | 33,94% | 37,86% | 48,78% | 49,39% |
| Guadalajara | 182.744 | 182.744 | 100% | 35,49% | 38,99% | 51,97% | 54,54% |
| Huelva | 397.052 | 397.052 | 100% | 30,30% | 36,24% | 42,31% | 49,48% |
| Huesca | 170.948 | 170.948 | 100% | 37,15% | 38,75% | 52,45% | 53,03% |
| Illes Balears | 767.080 | 767.080 | 100% | 33,02% | 34,35% | 45,90% | 46,13% |
| Jaén | 525.205 | 525.205 | 100% | 36,63% | 40,92% | 50,87% | 55,38% |
| La Rioja | 236.447 | 236.447 | 100% | 39,75% | 41,25% | 54,80% | 55,51% |
| Las Palmas | 809.300 | 809.300 | 100% | 26,43% | 27,89% | 42,79% | 43,53% |
| León | 403.073 | 403.073 | 100% | 34,47% | 36,31% | 51,34% | 53,40% |
| Lleida | 304.022 | 304.022 | 100% | 33,68% | 32,73% | 47,31% | 36,18% |
| Lugo | 289.541 | 289.541 | 100% | 33,91% | 36,05% | 54,48% | 41,32% |
| Madrid | 4.702.282 | 4.702.282 | 100% | 34,64% | 34,48% | 52,15% | 50,06% |
| Málaga | 1.150.607 | 1.150.607 | 100% | 30,48% | 34,85% | 44,63% | 47,58% |
| Melilla | 53.435 | 53.435 | 100% | 27,28% | 27,81% | 43,53% | 41,71% |
| Murcia | 1.016.235 | 1.016.235 | 100% | 36,36% | 38,91% | 50,72% | 52,06% |
| Navarra | 476.924 | 476.924 | 100% | 40,66% | 39,04% | 55,64% | 53,39% |
| Ourense | 272.377 | 272.377 | 100% | 36,81% | 39,17% | 53,89% | 48,37% |
| Palencia | 138.922 | 138.922 | 100% | 35,54% | 37,49% | 53,75% | 55,15% |
| Pontevedra | 780.499 | 780.499 | 100% | 33,46% | 35,03% | 50,36% | 52,87% |
| Salamanca | 283.543 | 283.543 | 100% | 35,99% | 39,18% | 52,29% | 54,85% |
| Santa Cruz de Tenerife | 755.036 | 755.036 | 100% | 26,79% | 28,42% | 43,58% | 46,20% |
| Segovia | 120.777 | 120.777 | 100% | 38,21% | 40,83% | 57,07% | 59,45% |
| Sevilla | 1.504.246 | 1.504.246 | 100% | 32,23% | 37,66% | 45,55% | 50,13% |
| Soria | 72.195 | 72.195 | 100% | 36,71% | 38,13% | 52,60% | 53,71% |
| Tarragona | 556.585 | 556.585 | 100% | 34,53% | 33,80% | 46,65% | 44,84% |
| Teruel | 107.505 | 107.505 | 100% | 38,98% | 40,77% | 55,77% | 57,41% |
| Toledo | 515.219 | 515.219 | 100% | 39,41% | 42,42% | 56,61% | 59,46% |
| Valencia / València | 1.914.447 | 1.914.447 | 100% | 43,32% | 43,29% | 57,76% | 56,37% |
| Valladolid | 424.875 | 424.875 | 100% | 36,47% | 38,04% | 53,50% | 53,22% |
| Zamora | 157.824 | 157.824 | 100% | 37,46% | 38,89% | 55,43% | 56,33% |
| Zaragoza | 721.777 | 721.777 | 100% | 37,20% | 37,94% | 51,62% | 50,25% |
| Total Estatal | 35.092.358 | 35.092.358 | 100% | 34,78% | 35,81% | 49,80% | 49,19% |
