How many years of comparable data are there for Iran, Islamic Republic of and Spain?

66 years are reported by both, from 1960 to 2025.

Where does this data come from?

Stockholm International Peace Research Institute (2026) – with minor processing by Our World in Data, published as Military spending as a share of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Iran, Islamic Republic of vs Spain: Military spending as a share of GDP

Iran, Islamic Republic of

2.1%

in 2025

Spain

2.1%

in 2025

Iran, Islamic Republic of rank

67th

Spain rank

64th

Military spending as a share of GDP over time

Iran, Islamic Republic of
Spain

How they compare

Spain currently reports 2.1% against 2.1% in Iran, Islamic Republic of, a difference of 0.0%.

The two have swapped places 5 times across 66 shared years of data; in 1960 it was Iran, Islamic Republic of ahead.

Iran, Islamic Republic of ranks 67th and Spain ranks 64th of 166 countries.

Iran, Islamic Republic of has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade	Iran, Islamic Republic of	Spain	Difference	Ahead
1960s	3.5%	2.1%	1.4%	Iran, Islamic Republic of
1970s	7.2%	2.3%	5.0%	Iran, Islamic Republic of
1980s	6.4%	2.7%	3.8%	Iran, Islamic Republic of
1990s	2.3%	1.9%	0.3%	Iran, Islamic Republic of
2000s	2.7%	1.5%	1.2%	Iran, Islamic Republic of
2010s	2.5%	1.3%	1.2%	Iran, Islamic Republic of
2020s	2.3%	1.5%	0.7%	Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher military spending as a share of gdp, Iran, Islamic Republic of or Spain?: Spain, at 2.1% against 2.1% in Iran, Islamic Republic of as of 2025.
What is the difference in military spending as a share of gdp between Iran, Islamic Republic of and Spain?: 0.0%, with Spain ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Spain?: 66 years are reported by both, from 1960 to 2025.
How do Iran, Islamic Republic of and Spain rank globally for military spending as a share of gdp?: Iran, Islamic Republic of ranks 67th and Spain ranks 64th of 166 countries.
Where does this data come from?: Stockholm International Peace Research Institute (2026) – with minor processing by Our World in Data, published as Military spending as a share of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Spain: Military spending as a share of GDP. Statizoid, drawing on Stockholm International Peace Research Institute (2026) – with minor processing by Our World in Data. Retrieved 10 September 2026, from https://economy.statizoid.com/compare/military-spending-as-a-share-of-gdp-sipri/iran-islamic-rep/spain/

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About this data

Indicator: Military spending as a share of GDP
Unit: % of GDP
Source: Stockholm International Peace Research Institute (2026) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 166 places, 8,523 data points, 1949–2025
Last refreshed: 28 August 2026

Total military expenditure divided by gross domestic product, expressed as a percentage.