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Slovenia Population 2026

Slovenia, officially known as the Republic of Slovenia, is a country located in Central Europe. In June 1991, Slovenia became the first republic to break away from Yugoslavia, declaring its independence and becoming a sovereign state.

According to the Statistical Office of the Republic of Slovenia, the population of Slovenia as of January 1, 2024, is 2,129,052 (2.1 million or 21 lakh). The country is known for its diverse geography, including the Alps, dense forests, and a small Adriatic coastline, as well as its high standard of living and strong economy.

Estimated population of Slovenia in 2026 is 2,116,129 or 2.1 million

Slovenia Demographics

Slovenia  2026 Est.
Total Population2,116,129
Global Rank149
Land Area 20,151 sq. km (7,780 sq. mi)
Area Rank150
Pop. Density105 people/sq. km
Capital CityLjubljana
Fertility Rate* 1.42
Infant mortality rate ** 1.6
Median Age  44.5 Years
Life Expectancy 81.85 years
Urban Population 55%

*Fertility rate, average number of children born to women during their reproductive years.

**Infant mortality rate is the number of deaths per 1,000 live births of children under one year of age.

 

Religion in Slovenia

Christianity is the majority religion in Slovenia and is followed by 77.70% of the population. Among Christians, Catholicism was the largest denomination accounting for 72.10% of the population, and Eastern Orthodoxy was the second-largest sect comprising 3.70%.

Non-Christian faiths account for 6%, and the remaining 20% are classified as unaffiliated, which can mean agnostic, atheist, or “nothing in particular.”

Religion percentage in Slovenia 

ReligionPercentage
Christian– 77.70%
– Roman Catholicism – 72.10%
– Serbian Orthodoxy – 3.70%
– Protestantism – 0.90%
– Other Christian – 1%
Unaffiliated /None18%
Islam 3%
Other religions 3%
Undeclared 2%

also read about religion in Europe

Largest Cities in Slovenia by Population

#CityPopulation
1Ljubljana284,355
2Maribor95,767
3Celje37,875
4Kranj37,463
5Koper25,611
6Velenje25,327
7Novo Mesto23,719
8Ptuj17,858
9Kamnik13,742
10Trbovlje13,718

Sources:

UN World Population Prospects 

Statistic Office Slovenia

PEW Research center

Population of Slovenia 2026 | Religion in Slovenia

Rajeev Rana

Rajeev Rana is an independent writer and researcher with a strong interest in history, population studies, and demographic trends in India and North America. He has been writing on demography-related topics for over five years, focusing on census data, migration patterns, ethnicity, and regional population changes. While not a formally certified demographer, Rajeev closely follows official data releases from government sources, census authorities, and reputable research institutions. His work aims to present complex demographic information in a clear, accessible, and neutral manner for readers seeking factual insights and broader context. Rajeev contributes to multiple informational websites and has particular familiarity with demographic and regional trends in the Delhi NCR region. His writing is driven by curiosity, data interpretation, and a commitment to accuracy rather than advocacy or opinion