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Median Age by Country 2025

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World Median Age

30.5

years

Oldest - Monaco

55.4

years

Youngest - Niger

14.8

years

Understanding Median Age

Median age measures the age that divides a population in half. The global median age is 30.5 years. Our demographics data tracksage by country, oldest populations, and youngest populations.

Also known as population age, demographic age, and average population age, this metric is closely related to aging populations, fertility rates, and life expectancy.

Our age data covers multiple dimensions including by country, by continent, historical trends, and economic implications.

Median Age Statistics & Data

Track median age worldwide, country comparisons, and regional data.

View Monaco median age, Japan aging, and oldest countries.

Explore Niger median age, Africa demographics, and youngest countries.

Learn about aging crisis, immigration impact, and economic effects.

What You'll Find on This Page

  • Global: 30.5 years median age, up from 24 in 1950
  • Oldest: Monaco 55.4, Japan 49.1, Germany 47.8
  • Youngest: Niger 14.8, Uganda 15.7, Chad 15.8
  • Trends: aging in developed, youth bulge in Africa

This page provides comprehensive data including median age by country statistics, age demographics data, population age counter, aging tracker, demographics 2025, age trends, UN data, and global age statistics.

Countries with Highest Median Age

Countries with Lowest Median Age

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