Bulgaria vs Iran, Islamic Republic of: Researchers in R&D

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

Researchers in R&D over time

  • Bulgaria
  • Iran, Islamic Republic of
5001.0k1.5k2.0k2.5k199620092023

How they compare

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

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

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

Bulgaria ranks 40th and Iran, Islamic Republic of 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, Islamic Republic of 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, Islamic Republic of?
Bulgaria, at 2,401 per million people against 2,240 per million people in Iran, Islamic Republic of as of 2023.
What is the difference in researchers in r&d between Bulgaria and Iran, Islamic Republic of?
161 per million people, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Iran, Islamic Republic of?
10 years are reported by both, from 2006 to 2021.
How do Bulgaria and Iran, Islamic Republic of rank globally for researchers in r&d?
Bulgaria ranks 40th and Iran, Islamic Republic of 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, Islamic Republic of: Researchers in R&D. Statizoid, drawing on Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 03 September 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.