Investigation of knowledge and attitudes of the Dutch adult population regarding the population issue, attitudes towards government policy towards people with children and acceptance and possible effects of possible future policy measures in this area. Priority of social problems / knowledge of demographic data / reasons for declining birth rate / evaluation of: declining birth rate, unequal geographic distribution, increasing foreign population / government role in population issues / knowledge of existing facilities for people with children: family allowance, pregnancy and maternity leave, day nurseries and creches / preferences regarding alternative implementations of these facilities / evaluation of possible future facilities: family formation loan, child-rearing benefit, one year unpaid parental leave, short paternity leave, leave for illness of children, part-time jobs and flexible working hours, day-mothers, child care for school going children / intrinsic value of children scale / general values scale / intentions of having a ( another ) child / influence of having a ( another ) child on realization of personal values / effects of pronate government policy measures / information network regarding having ( more ) children. Background variables: basic characteristics/ residence/ housing situation/ household characteristics/ occupation/employment/ income/capital assets/ education/ politics/ religion