Data relative to electoral census
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Units: municipalities and voters

	up to 10	11 to 20	21 to 50	51 to 100	101 to 500	over 500	TOTAL	
number of municipalities	
    Álava	25	14	8	3	.	1	51	
    Guipúzcoa	28	17	13	9	19	2	88	
    Vizcaya	24	24	24	16	20	3	111	
    TOTAL	77	55	45	28	39	6	250	
number of voters  CARV	
    Álava	151	227	211	235	.	1,781	2,605	
    Guipúzcoa	147	261	456	602	3,736	6,593	11,795	
    Vizcaya	153	351	790	1,188	4,704	11,283	18,469	
    TOTAL	451	839	1,457	2,025	8,440	19,657	32,869	
Notes:

.Data protected by statistical secrecy

Source: National Statistics Institute