Information of the postal vote
Postal vote by absolute values and percentage on census,  Number of voters in municipalities of registration and province.
Units: Postal vote

,Álava,Guipúzcoa,Vizcaya,TOTAL,
absolute values,
    TOTAL,6,339,14,273,29,252,49,864,
    up to 1000 voters,365,125,645,1,135,
    from 1001 to 5000,433,1,338,2,089,3,860,
    from 5001 to 10000,179,1,487,2,122,3,788,
    from 10001 to 50000,307,5,777,7,620,13,704,
    over 50000,5,055,5,546,16,776,27,377,
percentage on electoral census,
    TOTAL,2.59,2.52,3.08,2.83,
    up to 1000 voters,2.30,1.05,2.75,2.21,
    from 1001 to 5000,2.03,1.85,2.62,2.22,
    from 5001 to 10000,2.23,1.98,2.36,2.19,
    from 10001 to 50000,1.92,2.25,2.43,2.33,
    over 50000,2.76,3.70,3.79,3.53,
Notes:
Source: National Statistics Institute