Ron Lesthaeghe

second demographic transition replacement migration sub-replacement fertility model of preconditions for behavioural change latin america analyses by states us household dimensions & presidential elections two major usa household and family dimensions demographic and health surveys adoption modern contraception postpartum non-susceptible period intermediate fertility variables fertility transition sub-sahara africa belgium demography stable population models longevity ageing population shrinking momentum immigration history belgium history cohabitation in states & ethnic groups mexico innovation demographic new behaviours ready willing and able feasibility european union replacement migrtion links between demographic ad social indicators regions of france belgium switzerland historical spatial continuity demographic transitions sub-replacement fertility and population ageing european union demography explanations differences sub-replacement fertility lowest-low fertility postponement and recuperation european fertility changing social control ethics revolution individual autonomy global patterns kinship organisation and position of women ethnic-historical patterns pattern of disadvantage premarital cohabitation demographic changes willing and ready and able paradigm single motherhood co-residence married couples cohabitation household typology for latin america family formation selection and adaptation mechanism social values dimensions us presidential elections usa from canada to argentina. reconstruction of premarital cohabitation in all s malthusian marriage system historical roots