| Población de 2001: Cifra absoluta | ||
| 0 | TOTAL NACIONAL | 40847371.00 |
| 1 | Madrid | 5423384.00 |
| 2 | Barcelona | 4805927.00 |
| 3 | Valencia | 2216285.00 |
| 4 | Sevilla | 1727603.00 |
| 5 | Alicante/Alacant | 1461925.00 |
| 6 | Málaga | 1287017.00 |
| 7 | Murcia | 1197646.00 |
| 8 | Vizcaya | 1122637.00 |
| 9 | Cádiz | 1116491.00 |
| 10 | Coruña (A) | 1096027.00 |
| 11 | Asturias | 1062998.00 |
| 12 | Pontevedra | 903759.00 |
| 13 | Palmas (Las) | 887676.00 |
| 14 | Zaragoza | 861855.00 |
| 15 | Illes Balears | 841669.00 |
| 16 | Granada | 821660.00 |
| 17 | Santa Cruz de Tenerife | 806801.00 |
| 18 | Córdoba | 761657.00 |
| 19 | Guipúzcoa | 673563.00 |
| 20 | Badajoz | 654882.00 |
| 21 | Jaén | 643820.00 |
| 22 | Tarragona | 609673.00 |
| 23 | Girona | 565304.00 |
| 24 | Navarra | 555829.00 |
| 25 | Toledo | 541379.00 |
| 26 | Almería | 536731.00 |
| 27 | Cantabria | 535131.00 |
| 28 | Valladolid | 498094.00 |
| 29 | León | 488751.00 |
| 30 | Castellón/Castelló | 484566.00 |
| 31 | Ciudad Real | 478957.00 |
| 32 | Huelva | 462579.00 |
| 33 | Cáceres | 403621.00 |
| 34 | Albacete | 364835.00 |
| 35 | Lleida | 362206.00 |
| 36 | Lugo | 357648.00 |
| 37 | Burgos | 348934.00 |
| 38 | Salamanca | 345609.00 |
| 39 | Ourense | 338446.00 |
| 40 | Álava | 286387.00 |
| 41 | Rioja (La) | 276702.00 |
| 42 | Huesca | 206502.00 |
| 43 | Cuenca | 200346.00 |
| 44 | Zamora | 199090.00 |
| 45 | Guadalajara | 174999.00 |
| 46 | Palencia | 174143.00 |
| 47 | Ávila | 163442.00 |
| 48 | Segovia | 147694.00 |
| 49 | Teruel | 135858.00 |
| 50 | Soria | 90717.00 |
| 51 | Ceuta | 71505.00 |
| 52 | Melilla | 66411.00 |