Population of Iceland

As of April 2025, the population of Iceland is 379.4 thousand. The number of inhabitants has increased by 2 thousand in the last year, representing a growth of 0.61%. The median age of the population has increased in recent years, rising from 35 years in 2015 to 37.1 years in 2025. Currently, life expectancy at birth is 83.2 years and population density is 3.8 inhabitants per square kilometer.

Population Growth

The population growth rate of Iceland peaked in 2017, reaching around 2.94% annually, but has since declined to approximately 0.6% in 2025. The annual increase in the number of people has also decreased from a peak of around 10.1 thousand in 2017 to nearly 2.29 thousand in 2025.

Life Expectancy

In Iceland, life expectancy at birth has been increasing, with the indicator rising from 81.2 years in 2005 to 83.2 years in 2025, representing an increase de 2 years over the past 2 decades.

Most populous cities in Iceland

The cities of Iceland are small, with the 5 most populated adding up to around 225.8 thousand inhabitants. The most populous city is Reykjavík, Capital Region, con una diferencia significativa sobre las demás, alcanzando approximately 118.9 thousand inhabitants. It is followed by Kópavogur, Capital Region with 38 thousand and Hafnarfjörður, Capital Region with 30 thousand.

These are the 20 most populous cities in Iceland: