Bulgaria vs Ireland: R&D personnel by sector of performance and function — R&D Personnel

Bulgaria
35,179 Persons
in 2023
Ireland
66,623 Persons
in 2023
Bulgaria rank
26th
Ireland rank
23rd

R&D personnel by sector of performance and function — R&D Personnel over time

  • Bulgaria
  • Ireland
025.0k50.0k75.0k100.0k198120022023

How they compare

Ireland currently reports 66,623 Persons against 35,179 Persons in Bulgaria, a difference of 31,444 Persons.

That makes Ireland's figure about 1.9 times Bulgaria's.

The two have swapped places 1 time across 38 shared years of data; in 1981 it was Bulgaria ahead.

Bulgaria ranks 26th and Ireland ranks 23rd of 30 countries.

Across the 5 decades both report, Bulgaria averaged higher in 2 and Ireland in 3.

Head to head by decade

Decade Bulgaria Ireland Difference Ahead
1980s 90,698 Persons 7,257 Persons 83,441 Persons Bulgaria
1990s 46,952 Persons 12,530 Persons 34,422 Persons Bulgaria
2000s 18,543 Persons 27,708 Persons 9,165 Persons Ireland
2010s 25,916 Persons 41,383 Persons 15,467 Persons Ireland
2020s 34,896 Persons 61,052 Persons 26,156 Persons Ireland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher r&d personnel by sector of performance and function — r&d personnel, Bulgaria or Ireland?
Ireland, at 66,623 Persons against 35,179 Persons in Bulgaria as of 2023.
What is the difference in r&d personnel by sector of performance and function — r&d personnel between Bulgaria and Ireland?
31,444 Persons, with Ireland ahead.
How many years of comparable data are there for Bulgaria and Ireland?
38 years are reported by both, from 1981 to 2023.
How do Bulgaria and Ireland rank globally for r&d personnel by sector of performance and function — r&d personnel?
Bulgaria ranks 26th and Ireland ranks 23rd of 30 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as R&D personnel by sector of performance and function — 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 Ireland: R&D personnel by sector of performance and function — R&D Personnel. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 11 September 2026, from https://reference.statizoid.com/compare/r-and-d-personnel-by-sector-of-performance-and-function-r-and-d-personnel-total-economy/bulgaria/ireland/

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About this data

Indicator
R&D personnel by sector of performance and function — R&D Personnel (total economy)
Unit
Persons
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
42 places, 1,049 data points, 1981–2024
Last refreshed

This table contains research and development (R&D) personnel statistics. Number of R&D personnel is provided in both headcounts and full-time equivalent on R&D by sex, sector of employment (business enterprise, government, higher education, and private non-profit) and by function (researchers, technicians and other support staff).