Bulgaria vs Iran: Researchers in R&D (per million people)

Bulgaria
2,401 per million people
in 2023
Iran
2,240 per million people
in 2021
Bulgaria rank
40th
Iran rank
42nd

Researchers in R&D (per million people) over time

  • Bulgaria
  • Iran
5001.0k1.5k2.0k2.5k199620092023

How they compare

Bulgaria currently reports 2,401 per million people against 2,240 per million people in Iran, a difference of 161 per million people.

That makes Bulgaria's figure about 1.1 times Iran's.

Across all 10 years both countries report, Bulgaria has been ahead every year.

Bulgaria ranks 40th and Iran ranks 42nd of 103 countries.

Bulgaria has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Bulgaria Iran Difference Ahead
2000s 1,482 per million people 702.27 per million people 780.16 per million people Bulgaria
2010s 1,869 per million people 969.61 per million people 899.66 per million people Bulgaria
2020s 2,347 per million people 2,240 per million people 106.96 per million people Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher researchers in r&d, Bulgaria or Iran?
Bulgaria, at 2,401 per million people against 2,240 per million people in Iran as of 2023.
What is the difference in researchers in r&d between Bulgaria and Iran?
161 per million people, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Iran?
10 years are reported by both, from 2006 to 2021.
How do Bulgaria and Iran rank globally for researchers in r&d?
Bulgaria ranks 40th and Iran ranks 42nd of 103 countries.
Where does this data come from?
Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as Researchers in R&D (per million people). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Iran: Researchers in R&D. Statizoid, drawing on Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 08 November 2026, from https://science-tech.statizoid.com/compare/researchers-in-r-and-d-per-million-people/bulgaria/iran-islamic-rep/

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About this data

Indicator
Researchers in R&D (per million people)
Unit
per million people
Source
Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
128 places, 2,361 data points, 1996–2024
Last refreshed

The number of researchers engaged in Research &Development (R&D), expressed as per million. Researchers are professionals who conduct research and improve or develop concepts, theories, models techniques instrumentation, software of operational methods. R&D covers basic research, applied research, and experimental development.