Childhood social disadvantage Cohabitation Cross-national comparison Demographic lifecourse Demography Economic adversity Economic and social deprivation Family background Family disruption Family formation Family values and norms Later-life loneliness Later-life socio-economic outcomes Later-life well-being Life course Open access Political economy Poor health Population & demography Population Economics Population and Demography Second Demographic Transition Social & ethical issues Social Structure Social Structure, Social Inequality Social background Social inequallity Socio-economic indicators Sociology Sociology of Family, Youth and Aging