Top 10 countries by share of births outside
Compare countries by the share of live births outside marriage, a family-formation indicator with latest available demographic observations.
Family structures
Rankings and demographic data on marriage, households, family structure, single-parent households, and related social indicators.
Top 10 countries by divorce rate
Compare countries by crude divorce rate, measured as divorces per 1,000 residents, with varying reference years and comparability notes.
Top 10 countries by age at first marriage
Compare countries by mean age at first marriage for men and women using the latest available international observations and demographic
Countries With the Largest and Smallest Number of
See which countries have the largest and smallest estimated number of households in the 2026 snapshot, with rankings, methodology, charts
Childfree Movement: Why More Couples Are Choosing Not
Explore the growth of voluntary childlessness, falling fertility and the economic, social and lifestyle factors behind the childfree trend in
Multigenerational Households in 2026: Housing Costs, Care Needs
Multigenerational Households: Economic and Cultural Drivers | 2026 Data Snapshot
Same-Sex Families: Adoption and Legal Recognition Worldwide
Compare how countries recognize same-sex families through marriage, adoption, parentage and foreign-document rules in the September 2026 legal snapshot.
Marriage Rates Decline: Why Millennials and Gen Z
Understand why younger adults are marrying later and less often than previous generations, with U.S. evidence on age at first
Changing Family Structures: Rise of Single-Parent Households Globally
Review single-parent household definitions, latest official data and country examples, including why cross-country comparisons depend on the statistical scope used.
