Iran vs Spain: Population, Persons for countries / Index for country … 9/26/2025
Iran
92.46 million
in 2031
Spain
52.28 million
in 2031
Iran rank
5th
Spain rank
8th
Population, Persons for countries / Index for country … 9/26/2025 over time
- Iran
- Spain
How they compare
Iran currently reports 92.46 million against 52.28 million in Spain, a difference of 40.18 million.
That makes Iran's figure about 1.8 times Spain's.
Across all 52 years both countries report, Iran has been ahead every year.
Iran ranks 5th and Spain ranks 8th of 26 countries.
Iran has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Iran | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 46.52 million | 38.63 million | 7.89 million | Iran |
| 1990s | 58.74 million | 39.74 million | 19.00 million | Iran |
| 2000s | 68.63 million | 43.66 million | 24.97 million | Iran |
| 2010s | 78.54 million | 46.69 million | 31.85 million | Iran |
| 2020s | 86.85 million | 49.45 million | 37.39 million | Iran |
| 2030s | 92.00 million | 52.14 million | 39.86 million | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population, persons for countries / index for country groups, Iran or Spain?
- Iran, at 92.46 million against 52.28 million in Spain as of 2031.
- What is the difference in population, persons for countries / index for country groups between Iran and Spain?
- 40.18 million, with Iran ahead.
- How many years of comparable data are there for Iran and Spain?
- 52 years are reported by both, from 1980 to 2031.
- How do Iran and Spain rank globally for population, persons for countries / index for country groups?
- Iran ranks 5th and Spain ranks 8th of 26 countries.
- Where does this data come from?
- International Monetary Fund, published as Population, Persons for countries / Index for country groups (9/26/2025). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The World Economic Outlook (WEO) database is created during the biannual WEO exercise, which begins in January and June of each year and results in the April and September/October WEO publication. Selected series from the publication are available in a database format.