Population data · Country profiles

Population Data and Demographic Profiles by Country

Country profiles covering population size and change, age structure, fertility, migration, urbanization, life expectancy and population projections. Each indicator is presented with its own source year and measurement context.

Published country profiles National statistical sources where available Reference years shown by indicator

Population changeCounts, growth, decline and long-term trends

Age structureMedian age, broad age groups and population aging

Fertility and migrationBirth patterns, movement and their effect on population change

Recently Published Profiles

The latest country pages added to the demographic profile collection.

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Compare Demographic Patterns

Countries with different population paths can be read together through the same core indicators.

Aging and low fertility

Older age structures, low birth rates and long-term population decline pressure.

Japan South Korea Italy Spain Germany Thailand

Rapid growth and young populations

High youth shares, continuing growth and changing urban settlement patterns.

Nigeria Ethiopia Tanzania Uganda Kenya DR Congo

Migration-shaped population change

Population growth and age structure influenced strongly by international migration.

Canada Australia United States United Kingdom Germany Saudi Arabia

Fertility transition and urbanization

Falling fertility, expanding urban populations and changing working-age shares.

India Indonesia Bangladesh Turkey Iran Brazil Vietnam

What Each Country Profile Covers

The same broad structure keeps indicators readable across countries with different statistical systems and release schedules.

Core indicatorsPopulation, annual change, median age, fertility and life expectancy.

Population trendHistorical counts, growth rates and major changes over time.

Age structureChildren, working-age population, older population and age-sex detail where available.

Fertility and mortalityBirth patterns, deaths, natural change and life expectancy.

Migration and urbanizationInternational movement, urban population share and settlement change.

Projections and methodsScenario-based population paths, source definitions and measurement limits.

Read the Year Beside the Indicator

A page edition may be labeled 2026 while individual indicators come from different official release years. Census counts, resident-population estimates, mid-year international estimates and population projections are separate measures and should not be treated as interchangeable.

Source context mattersNational statistical releases are used where available. International datasets support comparable indicators and long-range series. Projection values describe scenarios rather than observed outcomes.

Country Demographics Index

Use the full index to open every published profile and review the main population measures used across the site.

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