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

37 years are reported by both, from 1991 to 2027.

Where does this data come from?

International Labour Organization, published as Output per worker, GDP constant 2021 international $ at PPP (ILO modelled estimates). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Kuwait: Output per worker, GDP constant 2021 international $ at PPP

Bulgaria

78,357

in 2027

Kuwait

80,904

in 2027

Bulgaria rank

57th

Kuwait rank

56th

Output per worker, GDP constant 2021 international $ at PPP over time

Bulgaria
Kuwait

How they compare

Kuwait currently reports 80,904 against 78,357 in Bulgaria, a difference of 2,547.

Across all 37 years both countries report, Kuwait has been ahead every year.

Bulgaria ranks 57th and Kuwait ranks 56th of 188 countries.

Kuwait has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade	Bulgaria	Kuwait	Difference	Ahead
1990s	37,160	126,978	89,818	Kuwait
2000s	43,367	141,939	98,572	Kuwait
2010s	56,549	107,016	50,467	Kuwait
2020s	69,427	83,942	14,515	Kuwait

Averages of every year both report within each decade.

Frequently asked questions

Which has higher output per worker, gdp constant 2021 international $ at ppp, Bulgaria or Kuwait?: Kuwait, at 80,904 against 78,357 in Bulgaria as of 2027.
What is the difference in output per worker, gdp constant 2021 international $ at ppp between Bulgaria and Kuwait?: 2,547, with Kuwait ahead.
How many years of comparable data are there for Bulgaria and Kuwait?: 37 years are reported by both, from 1991 to 2027.
How do Bulgaria and Kuwait rank globally for output per worker, gdp constant 2021 international $ at ppp?: Bulgaria ranks 57th and Kuwait ranks 56th of 188 countries.
Where does this data come from?: International Labour Organization, published as Output per worker, GDP constant 2021 international $ at PPP (ILO modelled estimates). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Kuwait: Output per worker, GDP constant 2021 international $ at PPP. Statizoid, drawing on International Labour Organization. Retrieved 03 September 2026, from https://labour.statizoid.com/compare/output-per-worker-gdp-constant-2021-international-at-ppp-ilo-modelled-estimates/bulgaria/kuwait/

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About this data

Indicator: Output per worker, GDP constant 2021 international $ at PPP (ILO modelled estimates)
Source: International Labour Organization
Licence: ILO Terms of Use (attribution required)
Coverage: 276 places, 10,188 data points, 1991–2027
Last refreshed: 03 September 2026

This measure of labour productivity is calculated using data on GDP (in constant 2021 international dollars at PPP) derived from the World Development Indicators database of the World Bank. To compute labour productivity as GDP per worker, ILO estimates for total employment are used. For more information, refer to the ILO Modelled Estimates (ILOEST) database description.