Bulgaria vs Switzerland: Historical population data

Bulgaria
6.43 million Persons
in 2025
Switzerland
9.09 million Persons
in 2025
Bulgaria rank
32nd
Switzerland rank
31st

Historical population data over time

  • Bulgaria
  • Switzerland
02.0M4.0M6.0M8.0M10.0M195019872025

How they compare

Switzerland currently reports 9.09 million Persons against 6.43 million Persons in Bulgaria, a difference of 2.66 million Persons.

That makes Switzerland's figure about 1.4 times Bulgaria's.

The two have swapped places 1 time across 76 shared years of data; in 1950 it was Bulgaria ahead.

Bulgaria ranks 32nd and Switzerland ranks 31st of 43 countries.

Across the 8 decades both report, Bulgaria averaged higher in 6 and Switzerland in 2.

Head to head by decade

Decade Bulgaria Switzerland Difference Ahead
1950s 7.51 million Persons 4.97 million Persons 2.54 million Persons Bulgaria
1960s 8.16 million Persons 5.78 million Persons 2.38 million Persons Bulgaria
1970s 8.68 million Persons 6.28 million Persons 2.40 million Persons Bulgaria
1980s 8.93 million Persons 6.47 million Persons 2.46 million Persons Bulgaria
1990s 8.44 million Persons 6.98 million Persons 1.46 million Persons Bulgaria
2000s 7.73 million Persons 7.43 million Persons 296,940 Persons Bulgaria
2010s 7.03 million Persons 8.22 million Persons 1.20 million Persons Switzerland
2020s 6.47 million Persons 8.85 million Persons 2.38 million Persons Switzerland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher historical population data, Bulgaria or Switzerland?
Switzerland, at 9.09 million Persons against 6.43 million Persons in Bulgaria as of 2025.
What is the difference in historical population data between Bulgaria and Switzerland?
2.66 million Persons, with Switzerland ahead.
How many years of comparable data are there for Bulgaria and Switzerland?
76 years are reported by both, from 1950 to 2025.
How do Bulgaria and Switzerland rank globally for historical population data?
Bulgaria ranks 32nd and Switzerland ranks 31st of 43 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Historical population data. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Switzerland: Historical population data. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 20 August 2026, from https://population.statizoid.com/compare/historical-population-data/bulgaria/switzerland/

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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.