Illiteracy rates of the population aged 10 and over in the Basque Country by age, according to sex.

The knowledge and quantification of the population and families residing in the Basque Country requires various statistical sources. On the one hand, population and family counts have been carried out decennially through the Population and Housing Census, as well as by Population and Housing Statistics (SPV) in the intercensal period; on the other hand, through the Municipal Population Update (APM) and using as main sources the administrative records of the Municipal Register of Inhabitants, municipal demographic information is renewed.要认知并量化巴斯克地区（Basque Country）的常住人口与家庭规模，需依托多类统计数据源。一方面，人口与家庭总数的统计每十年开展一次，通过人口与住房普查（Population and Housing Census）完成；在两次普查的间隔周期内，则由人口与住房统计（Population and Housing Statistics，SPV）负责相关统计工作。另一方面，通过市级人口更新（Municipal Population Update，APM）项目，以居民市政登记册的行政记录作为核心数据源，对市级人口统计信息进行更新维护。