Population of Reunion

As of May 2025, the population of Reunion is 995.5 thousand. The number of inhabitants has increased by 7 thousand in the last year, representing a growth of 0.75%. The median age of the population has increased in recent years, rising from 32.3 years in 2015 to 34.4 years in 2025. Currently, life expectancy at birth is 83.1 years and population density is 398.7 inhabitants per square kilometer.

Population Growth

The population growth rate of Reunion peaked in 1954, reaching around 4.03% annually, but has since declined to approximately 0.74% in 2025. The annual increase in the number of people has also decreased from a peak of around 16.12 thousand in 2007 to nearly 7.33 thousand in 2025.

Life Expectancy

In Reunion, life expectancy at birth has been increasing, with the indicator rising from 77.3 years in 2005 to 83.1 years in 2025, representing an increase of almost 6 years over the past 2 decades.

Most populous cities in Reunion

The cities of Reunion are mostly small, but 2 stand out with more than 100 thousand inhabitants. The most populous city is Saint-Denis, Réunion, with approximately 154.8 thousand inhabitants. It is followed by Saint-Paul, Réunion with 105.2 thousand and Saint-Pierre, Réunion with 84.1 thousand.

These are the 20 most populous cities in Reunion: