Population aged 18 and over per decile of personal income of the Basque Country and historical territory, according to age (%).

The operation Statistics of Personal and Family Income computes the income of people aged 18 years or more residing in the Basque Country and elaborates quantities such as gross income per capita or average personal income; it constitutes the basis for knowledge of the distribution of individual and family wealth by relying on fiscal data, linked to census variables of the population. The breakdown of income according to population strata such as sex, age or relation to productive activity (population unemployed, occupied, retired) allows an approximation to the knowledge of different groups.个人与家庭收入统计项目针对巴斯克地区境内年满18周岁的常住人口开展收入核算，测算人均总收入、个人平均收入等核心指标；该统计工作依托与人口普查变量关联的财政数据，为掌握个人与家庭财富的分配格局提供核心依据。按性别、年龄、生产活动关联属性（失业人口、就业人口、退休人口）等人口分层维度对收入进行拆解，可实现对不同群体收入情况的近似认知。