Bulgaria vs Iran: Number of R&D researchers 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
Number of R&D researchers per million people over time
- Bulgaria
- Iran
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 number of r&d researchers per million people, 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 number of r&d researchers per million people 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 number of r&d researchers per million people?
- Bulgaria ranks 40th and Iran ranks 42nd of 103 countries.
- Where does this data come from?
- UNESCO UIS Stat Bulk Data Download Service, via World Bank (2026) – processed by Our World in Data, published as Number of R&D researchers per million people. Statizoid refreshes it automatically from the source and publishes the full history for both places.
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About this data
Professionals engaged in conceiving or creating new knowledge, products, processes, methods, or systems.