Datos relativos a las elecciones locales y autonómicas 2003
Nuevos electores del CER por haber cumplido 18 años por provincia y  dos últimas elecciones celebradas de ámbito nacional.
Unidades: electores

,Desde elecciones municipales de 13 de junio de 1999,Desde elecciones generales de 12 de marzo de 2000,
TOTAL,1.991.239,1.589.377,
Álava,13.132,10.437,
Albacete,19.006,15.300,
Alicante/Alacant,73.003,58.280,
Almería,29.955,23.971,
Asturias,47.031,37.431,
Ávila,7.022,5.638,
Badajoz,36.324,29.188,
Balears (Illes),40.652,32.297,
Barcelona,207.073,164.707,
Burgos,14.960,12.005,
Cáceres,20.535,16.590,
Cádiz,70.177,56.118,
Cantabria,25.938,20.619,
Castellón/Castelló,22.773,18.068,
Ciudad Real,25.119,20.287,
Córdoba,42.389,34.026,
Coruña (A),53.910,42.711,
Cuenca,8.464,6.818,
Girona,24.586,19.653,
Granada,45.161,36.134,
Guadalajara,7.750,6.218,
Guipúzcoa,28.146,22.264,
Huelva,26.728,21.374,
Huesca,8.375,6.705,
Jaén,35.954,29.159,
León,22.612,18.270,
Lleida,15.470,12.250,
Lugo,15.622,12.465,
Madrid,247.128,197.566,
Málaga,72.601,58.195,
Murcia,64.343,51.058,
Navarra,23.306,18.532,
Ourense,14.208,11.332,
Palencia,8.293,6.675,
Palmas (Las),49.127,38.886,
Pontevedra,47.350,37.665,
Rioja (La),11.854,9.534,
Salamanca,16.023,12.824,
S.C. Tenerife,45.947,36.301,
Segovia,6.233,5.041,
Sevilla,100.329,80.237,
Soria,3.520,2.808,
Tarragona,28.513,22.726,
Teruel,5.406,4.357,
Toledo,27.273,21.913,
Valencia/València,107.527,85.311,
Valladolid,23.701,18.869,
Vizcaya,47.715,38.094,
Zamora,8.632,6.938,
Zaragoza,36.293,29.095,
Ceuta,4.239,3.396,
Melilla,3.811,3.041,
Notas:
Fuente: Instituto Nacional de Estadística