The concepts described on these pages are words and expressions used in statistics with a specific, limited meaning. In everyday speech the word may have a different meaning. In connection with each definition you can find information about which sets of statistics use the concept.
If you are looking for statistical figures, go from the definition to the statistics page.
The birth order is determined in two ways: either all births to the mother are taken into account, or only the live births during the present marriage are included.
Statistics using the definition
Validity of the definition
- Valid until (31 December 2078)