Bulgaria vs Iran (Islamic Republic of): Research and development expenditure as a proportion of GDP

Bulgaria
0.8%
in 2023
Iran (Islamic Republic of)
0.7%
in 2021
Bulgaria rank
51st
Iran (Islamic Republic of) rank
53rd

Research and development expenditure as a proportion of GDP over time

  • Bulgaria
  • Iran (Islamic Republic of)
0.20.40.60.81200020112023

How they compare

Bulgaria currently reports 0.8% against 0.7% in Iran (Islamic Republic of), a difference of 0.1%.

That makes Bulgaria's figure about 1.1 times Iran (Islamic Republic of)'s.

The two have swapped places 3 times across 15 shared years of data; in 2001 it was Iran (Islamic Republic of) ahead.

Bulgaria ranks 51st and Iran (Islamic Republic of) ranks 53rd of 121 countries.

Across the 3 decades both report, Bulgaria averaged higher in 2 and Iran (Islamic Republic of) in 1.

Head to head by decade

Decade Bulgaria Iran (Islamic Republic of) Difference Ahead
2000s 0.5% 0.5% 0.1% Iran (Islamic Republic of)
2010s 0.7% 0.5% 0.3% Bulgaria
2020s 0.8% 0.7% 0.0% Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher research and development expenditure as a proportion of gdp, Bulgaria or Iran (Islamic Republic of)?
Bulgaria, at 0.8% against 0.7% in Iran (Islamic Republic of) as of 2023.
What is the difference in research and development expenditure as a proportion of gdp between Bulgaria and Iran (Islamic Republic of)?
0.1%, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Iran (Islamic Republic of)?
15 years are reported by both, from 2001 to 2021.
How do Bulgaria and Iran (Islamic Republic of) rank globally for research and development expenditure as a proportion of gdp?
Bulgaria ranks 51st and Iran (Islamic Republic of) ranks 53rd of 121 countries.
Where does this data come from?
United Nations Statistics Division, SDG Global Database, published as Research and development expenditure as a proportion of GDP (%). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Iran (Islamic Republic of): Research and development expenditure as a proportion of GDP. Statizoid, drawing on United Nations Statistics Division, SDG Global Database. Retrieved 15 September 2026, from https://economy.statizoid.com/compare/research-and-development-expenditure-as-a-proportion-of-gdp-percent/bulgaria/iran-islamic-republic-of/

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About this data

Indicator
Research and development expenditure as a proportion of GDP (%)
Source
United Nations Statistics Division, SDG Global Database
Licence
UN SDG Global Database (open, attribution requested)
Coverage
143 places, 2,753 data points, 2000–2024
Last refreshed