Population of Bulgaria

As of May 2025, the population of Bulgaria is 6.6 million. The number of inhabitants has decreased by 54 thousand in the last year, representing a decline of 0.81%. The median age of the population has increased in recent years, rising from 42.6 years in 2015 to 45.4 years in 2025. Currently, life expectancy at birth is 76.1 years and population density is 60.6 inhabitants per square kilometer.

Population Growth

The population growth rate of Bulgaria peaked in 1955, reaching around 1.07% annually, but has since declined to approximately -0.82% in 2025. The annual increase in the number of people has also decreased from a peak of around 80.31 thousand in 1955 to nearly -53.78 thousand in 2025.

Life Expectancy

In Bulgaria, life expectancy at birth has been increasing, with the indicator rising from 72.6 years in 2005 to 76.1 years in 2025, representing an increase of more than 3 years over the past 2 decades.

Most populous cities in Bulgaria

The cities of Bulgaria are mostly small, but 7 stand out with more than 100 thousand inhabitants. The most populous city is Sofia, Sofia-Capital, con una diferencia significativa sobre las demás, alcanzando approximately 1.2 million inhabitants. It is followed by Plovdiv with 346.9 thousand and Varna with 312.8 thousand.

These are the 20 most populous cities in Bulgaria: