EDITORS NIDI, P.O. Box 11650, 2502 AR The Hague, The Netherlands CBGS, Markiesstraat 1, 1000 Brussels, Belgium This volume is the tenth edition in the series "Population and Family in the Low Countries." It is published by the Netherlands Interdisciplinary Demo graphic Institute (NIDI, The Hague) together with the Flemish Population and Family Study Centre (CBGS, Brussels), with the purpose to inform an international audience on results of demographic research in Belgium and the Netherlands. The series started in 1976. From 1991 on, it is published annually. The current edition includes seven...