[Nuclear families by family life cycle category, January 1, 1992]

"In this article, family life-cycle categories [in the Netherlands] are defined by the ages of the youngest and the eldest child. The figures are from an enumeration from automated municipal population registers. For each inhabitant sex, year of birth, marital status, country of birth, family relationship and a number of other characteristics were obtained. The family relationship shows whether or not a person lives in a nuclear family and if so, what position they have therein (e.g. spouse, parent, child). On the basis of these data three types of nuclear families were defined...." (SUMMARY IN ENG)