Argentina vs Spain: Historical population data

Argentina
45.85 million Persons
in 2025
Spain
49.36 million Persons
in 2025
Argentina rank
17th
Spain rank
16th

Historical population data over time

  • Argentina
  • Spain
20.0M30.0M40.0M50.0M195019872025

How they compare

Spain currently reports 49.36 million Persons against 45.85 million Persons in Argentina, a difference of 3.50 million Persons.

That makes Spain's figure about 1.1 times Argentina's.

Across all 76 years both countries report, Spain has been ahead every year.

Argentina ranks 17th and Spain ranks 16th of 43 countries.

Spain has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade Argentina Spain Difference Ahead
1950s 18.54 million Persons 29.02 million Persons 10.48 million Persons Spain
1960s 21.94 million Persons 31.85 million Persons 9.91 million Persons Spain
1970s 25.68 million Persons 35.54 million Persons 9.85 million Persons Spain
1980s 30.11 million Persons 38.31 million Persons 8.19 million Persons Spain
1990s 34.81 million Persons 39.61 million Persons 4.79 million Persons Spain
2000s 39.02 million Persons 43.34 million Persons 4.32 million Persons Spain
2010s 43.21 million Persons 46.62 million Persons 3.41 million Persons Spain
2020s 45.50 million Persons 48.16 million Persons 2.66 million Persons Spain

Averages of every year both report within each decade.

Frequently asked questions

Which has higher historical population data, Argentina or Spain?
Spain, at 49.36 million Persons against 45.85 million Persons in Argentina as of 2025.
What is the difference in historical population data between Argentina and Spain?
3.50 million Persons, with Spain ahead.
How many years of comparable data are there for Argentina and Spain?
76 years are reported by both, from 1950 to 2025.
How do Argentina and Spain rank globally for historical population data?
Argentina ranks 17th and Spain ranks 16th 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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Argentina vs Spain: 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/argentina/spain/

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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.