Calendar of fertility of women and men by generation and age (%).

The count and description of the families of the Basque Country is done using various statistical sources. On the one hand, families are counted through the Population and Housing Census; on the other hand, the operation Demographic Survey (ED), of an intercensal and five-year periodicity, offers information on the formation of families, family size, preferences on the number and spacing of children, as well as numerous other characteristics, using the method of retrospective approximation to demographic phenomena.本数据集依托多类统计数据源，完成对巴斯克地区（Basque Country）的家庭户数统计与家庭特征描述。一方面，通过人口与住房普查（Population and Housing Census）完成家庭户数统计；另一方面，人口动态调查（Demographic Survey，缩写ED）为每五年开展一次的普查间隔周期性调查，该调查采用人口现象回溯近似法，采集家庭组建情况、家庭规模、子女数量与生育间隔偏好等多维度家庭特征信息。