Median Age by Country 2025
World Median Age
years
Oldest - Monaco
years
Youngest - Niger
years
Countries with Highest Median Age
Countries with Lowest Median Age
Frequently Asked Questions
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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.
How We Calculate Median Age
Our live counters use verified data from UN Population Division, converted to real-time estimates using linear interpolation. All calculations are transparent and documented.
Data compiled by: CreatorMeter Research Team
Sources verified: 2025-12-23