Historical population data in Slovenia

Slovenia: Historical population data was 2.13 million Persons in 2025. β–² Rising

Latest (2025)
2.13 million Persons
Change on year
up 0.2%
Rank
7th
of 9 groups
All-time high
2.13 million Persons
in 2025
All-time low
1.47 million Persons
in 1950
Years of data
76
1950–2025

Historical population data in Slovenia, 1950–2025

0500.0k1.0M1.5M2.0M195019872025

Source: Organisation for Economic Co-operation and Development. Measured in Persons.

Analysis

In 2025, historical population data in Slovenia stood at 2.13 million Persons. That is the highest value across all 76 years on record.

The figure is up 0.2% on the previous year and up 3.3% over ten years.

Over the whole period, historical population data in Slovenia peaked at 2.13 million Persons in 2025 and was at its lowest, 1.47 million Persons, in 1950.

The long-run direction has been consistently rising across the 76 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1950s 1.52 million Persons 1.47 million Persons 1.58 million Persons 10
1960s 1.65 million Persons 1.58 million Persons 1.71 million Persons 10
1970s 1.77 million Persons 1.73 million Persons 1.82 million Persons 10
1980s 1.95 million Persons 1.88 million Persons 2.00 million Persons 10
1990s 1.99 million Persons 1.98 million Persons 2.00 million Persons 10
2000s 2.01 million Persons 1.99 million Persons 2.04 million Persons 10
2010s 2.06 million Persons 2.05 million Persons 2.09 million Persons 10
2020s 2.12 million Persons 2.10 million Persons 2.13 million Persons 6

Countries ranked near Slovenia

  1. 4 United States of America 341.79 million Persons compare
  2. 5 Indonesia 284.44 million Persons compare
  3. 6 Brazil 219.03 million Persons compare
  4. 7 Russian Federation 145.40 million Persons compare
  5. 8 Mexico 133.37 million Persons compare
  6. 9 Japan 123.22 million Persons compare
  7. 10 Germany 83.52 million Persons compare

See the full ranking of 56 places β†’

More population data for Slovenia

All data for Slovenia β†’

Frequently asked questions

What is historical population data in Slovenia?
Historical population data in Slovenia was 2.13 million Persons in 2025, according to Organisation for Economic Co-operation and Development.
What is the highest historical population data recorded in Slovenia?
The highest recorded value was 2.13 million Persons in 2025.
What is the lowest historical population data recorded in Slovenia?
The lowest recorded value was 1.47 million Persons in 1950.
How does Slovenia rank for historical population data?
Slovenia ranks 7th out of 9 groups with data for 2025.
Is historical population data rising or falling in Slovenia?
Over the last ten years it is up 3.3%. The long-run trend across the full record is rising.
Where does this Slovenia data come from?
The figures come from Organisation for Economic Co-operation and Development, published as part of Historical population data. Statizoid updates them automatically from the source API.

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Historical population data in Slovenia. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 20 August 2026, from https://population.statizoid.com/stat/historical-population-data/slovenia-2/

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About this data

Indicator
Historical population data
Unit
Persons
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
56 places, 4,256 data points, 1950–2025
Last refreshed

This dataset presents annual population data from 1961 by sex and five year age groups as well as the share of children, youth, the elderly, old-age and total dependency ratios. The data is available for all member countries as well as for the EU27 and G20 countries, Argentina, Brazil, China, India, Indonesia, Russia, Saudi Arabia, Singapore, South Africa and the World total. The data refer to mid-year estimates of the population. See country details in Historical population metadata.