Bulgaria vs Ireland: R&D personnel by sector of performance - Regions — Researchers

Bulgaria
9,382 Persons
in 2023
Ireland
20,334 Persons
in 2023
Bulgaria rank
23rd
Ireland rank
22nd

R&D personnel by sector of performance - Regions — Researchers over time

  • Bulgaria
  • Ireland
05.0k10.0k15.0k20.0k199520092023

How they compare

Ireland currently reports 20,334 Persons against 9,382 Persons in Bulgaria, a difference of 10,952 Persons.

That makes Ireland's figure about 2.2 times Bulgaria's.

Across all 17 years both countries report, Ireland has been ahead every year.

Bulgaria ranks 23rd and Ireland ranks 22nd of 36 countries.

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

Head to head by decade

Decade Bulgaria Ireland Difference Ahead
2000s 1,461 Persons 7,662 Persons 6,201 Persons Ireland
2010s 5,147 Persons 13,316 Persons 8,169 Persons Ireland
2020s 9,464 Persons 18,536 Persons 9,072 Persons Ireland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher r&d personnel by sector of performance - regions — researchers, Bulgaria or Ireland?
Ireland, at 20,334 Persons against 9,382 Persons in Bulgaria as of 2023.
What is the difference in r&d personnel by sector of performance - regions — researchers between Bulgaria and Ireland?
10,952 Persons, with Ireland ahead.
How many years of comparable data are there for Bulgaria and Ireland?
17 years are reported by both, from 2001 to 2023.
How do Bulgaria and Ireland rank globally for r&d personnel by sector of performance - regions — researchers?
Bulgaria ranks 23rd and Ireland ranks 22nd of 36 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as R&D personnel by sector of performance - Regions — Researchers. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Ireland: R&D personnel by sector of performance - Regions — Researchers. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 11 September 2026, from https://science-tech.statizoid.com/compare/r-and-d-personnel-by-sector-of-performance-regions-researchers/bulgaria/ireland/

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About this data

Indicator
R&D personnel by sector of performance - Regions — Researchers
Unit
Persons
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
42 places, 897 data points, 1995–2024
Last refreshed

This table contains research and development (R&D) personnel statistics in large (TL2) regions. Indicators covered Number of R&D personnel is provided in both headcounts and full-time equivalent on R&D by sex, sector of performance (business enterprise, government, higher education, and private non-profit). Definition of regions Regions are subnational units below national boundaries. OECD countries have two regional levels: large regions (territorial level 2 or TL2) and small regions (territorial level 3 or TL3). TL3 regions are grouped into typologies based on shared characteristics. See the OECD Territorial Correspondence Table (xls) and the OECD Territorial grid (pdf). Cite this dataset OECD Regions, Cities and Local Areas database http://oe.cd/geostats Further information Guidelines for Collecting and Reporting Data on Research and Experimental Development Frascati Manual 2015 The interactive web-tool OECD Regions and Cities Statistical Atlas The report OECD Regions and Cities at a Glance For any question or comment, please write to RegionStat@oecd.org