Slovenia, a Central European nation known for its Alpine scenery, cultural heritage, and EU membership, has experienced steady demographic changes over the past century. In 1950, Slovenia’s population was about 1.45 million. By 2024, it reached 2.12 million, marking a 46% increase in just over 70 years. However, like many European countries, Slovenia faces an aging population and declining fertility rates, which will shape its demographic outlook through the rest of the 21st century.
Historical Population Growth (1950–2024)
Slovenia’s population grew gradually during the second half of the 20th century:
- 1950–1975: The population rose from 1.45 million to 1.82 million, supported by post-war recovery and higher fertility rates.
- 1980s–2000s: Growth slowed, with the population stabilizing at around 2.0 million.
- 2010–2024: Slovenia experienced only modest growth, reaching 2.12 million in 2024, reflecting its demographic plateau.
This era highlights Slovenia’s transition from population growth to near-stagnation, with migration and aging increasingly influencing the numbers.
Future Population Projections for Slovenia (2025–2100)
According to long-term forecasts, Slovenia’s population has already peaked and is expected to shrink significantly:
- 2025–2050: A slow but steady decline from 2.12 million in 2025 to about 1.98 million by 2050.
- 2050–2075: The decline continues, falling below 1.76 million by 2075.
- 2100: Slovenia’s population is projected to decrease to 1.63 million, nearly returning to 1950s levels.
This downward trend reflects persistent low fertility rates, outward migration of younger workers, and an aging society.
FAQ
In 2024, Slovenia’s population is about 2.12 million people.
The peak occurred in the early 2020s, at just over 2.12 million.
Slovenia’s population is now shrinking, with projections showing continuous decline throughout the century.
The decline is driven by low birth rates, emigration, and population aging, common challenges in Europe.
By 2100, Slovenia’s population is expected to fall to 1.63 million, nearly half a million fewer than today.
Source:
United Nations. World Population Prospects 2024.

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