How many years of comparable data are there for Bulgaria and Romania?

11 years are reported by both, from 2013 to 2023.

Where does this data come from?

Organisation for Economic Co-operation and Development, published as R&D personnel by sector of performance and formal qualification — R&D Personnel (total economy). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Romania: R&D personnel by sector of performance and formal qualification — R&D

Bulgaria

35,179 Persons

in 2023

Romania

48,103 Persons

in 2023

Bulgaria rank

23rd

Romania rank

22nd

R&D personnel by sector of performance and formal qualification — R&D over time

Bulgaria
Romania

How they compare

Romania currently reports 48,103 Persons against 35,179 Persons in Bulgaria, a difference of 12,924 Persons.

That makes Romania's figure about 1.4 times Bulgaria's.

Across all 11 years both countries report, Romania has been ahead every year.

Bulgaria ranks 23rd and Romania ranks 22nd of 25 countries.

Romania has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade	Bulgaria	Romania	Difference	Ahead
2010s	30,072 Persons	43,954 Persons	13,882 Persons	Romania
2020s	35,484 Persons	47,368 Persons	11,884 Persons	Romania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher r&d personnel by sector of performance and formal qualification — r&d, Bulgaria or Romania?: Romania, at 48,103 Persons against 35,179 Persons in Bulgaria as of 2023.
What is the difference in r&d personnel by sector of performance and formal qualification — r&d between Bulgaria and Romania?: 12,924 Persons, with Romania ahead.
How many years of comparable data are there for Bulgaria and Romania?: 11 years are reported by both, from 2013 to 2023.
How do Bulgaria and Romania rank globally for r&d personnel by sector of performance and formal qualification — r&d?: Bulgaria ranks 23rd and Romania ranks 22nd of 25 countries.
Where does this data come from?: Organisation for Economic Co-operation and Development, published as R&D personnel by sector of performance and formal qualification — R&D Personnel (total economy). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Romania: R&D personnel by sector of performance and formal qualification — R&D. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 13 September 2026, from https://reference.statizoid.com/compare/r-and-d-personnel-by-sector-of-performance-and-formal-qualification-r-and-d-personnel/bulgaria/romania/

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About this data

Indicator: R&D personnel by sector of performance and formal qualification — R&D Personnel (total economy)
Unit: Persons
Source: Organisation for Economic Co-operation and Development
Licence: OECD Terms and Conditions (attribution required)
Coverage: 34 places, 789 data points, 1981–2024
Last refreshed: 21 August 2026

This table presents research and development (R&D) personnel statistics. Number of R&D personnel is provided in headcounts;D by sex, sector of employment (business enterprise, government, higher education, and private non-profit) and by formal qualification (university and other diplomas by ISCED classification).