Live births by year of birth and age of mother in the Basque Country, historical territory and sex.

The analysis of the demographic dynamics of the population and its evolution over time rests on the carrying out of demographic statistical operations, whose main sources of updating are the Civil Registers, a type of administrative registry of a census nature.The Birth Statistics (ENAC) updates the information on births whose parents are residents in the Basque Country, regardless of where they took place.对人口动态及其时序演化的分析，需依托人口统计业务的实施；该类业务的主要更新数据源为民事登记册（Civil Registers）——一类具备普查属性的行政登记册。出生统计（ENAC）负责更新父母为巴斯克地区居民的出生信息，无论此类出生事件的发生地点为何。