Bulgaria vs Iran, Islamic Republic of: Research and development expenditure

Bulgaria
0.8%
in 2023
Iran, Islamic Republic of
0.7%
in 2021
Bulgaria rank
47th
Iran, Islamic Republic of rank
49th

Research and development expenditure over time

  • Bulgaria
  • Iran, Islamic Republic of
0.20.40.60.81199620092023

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 47th and Iran, Islamic Republic of ranks 49th of 116 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, 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 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?
Bulgaria ranks 47th and Iran, Islamic Republic of ranks 49th of 116 countries.
Where does this data come from?
Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as Research and development expenditure (% 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. Statizoid, drawing on Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 31 August 2026, from https://science-tech.statizoid.com/compare/research-and-development-expenditure-percent-of-gdp/bulgaria/iran-islamic-rep/

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About this data

Indicator
Research and development expenditure (% of GDP)
Unit
% of GDP
Source
Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
147 places, 3,092 data points, 1996–2024
Last refreshed

Gross domestic expenditures on research and development (R&D), expressed as a percent of GDP. They include both capital and current expenditures in the four main sectors: Business enterprise, Government, Higher education and Private non-profit. R&D covers basic research, applied research, and experimental development.