Definition: First marriage rates by age
The number of first marriages of women (or men) of age x in relation to the average female (or male) population of age x. Depending on the country, the age is either the age reached during the year or the age at last birthday. In order to produce coherent data, Eurostat converts the rates established using the age at last birthday into rates based on the age reached during the year.
Eurostat, "Demographic statistics: Definitions and methods of collection in 31 European countries (2003 Edition)", Luxembourg, 2003