Population of Slovakia

As of May 2025, the population of Slovakia is 5.6 million. The number of inhabitants has decreased by 55 thousand in the last year, representing a decline of 1.19%. The median age of the population has increased in recent years, rising from 38.2 years in 2015 to 41.3 years in 2025. Currently, life expectancy at birth is 78.7 years and population density is 114.9 inhabitants per square kilometer.

Population Growth

The population growth rate of Slovakia peaked in 2022, reaching around 7.23% annually, but has since declined to approximately -0.98% in 2025. The annual increase in the number of people has also decreased from a peak of around 408.04 thousand in 2022 to nearly -55.41 thousand in 2025.

Life Expectancy

In Slovakia, life expectancy at birth has been increasing, with the indicator rising from 74.2 years in 2005 to 78.7 years in 2025, representing an increase of almost 5 years over the past 2 decades.

Most populous cities in Slovakia

The cities of Slovakia are mostly small, but 2 stand out with more than 100 thousand inhabitants. The most populous city is Bratislava, Bratislava Region, with approximately 423.7 thousand inhabitants. It is followed by Košice, Košice Region with 228.2 thousand and Nitra, Nitra Region with 86.3 thousand.

These are the 20 most populous cities in Slovakia: