How many years of comparable data are there for Nigeria and Zambia?

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.

Nigeria vs Zambia: Output per worker, GDP constant 2021 international $ at PPP

Nigeria

11,810

in 2027

Zambia

11,746

in 2027

Nigeria rank

156th

Zambia rank

157th

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

Nigeria
Zambia

How they compare

Nigeria currently reports 11,810 against 11,746 in Zambia, a difference of 64.

The two have swapped places 1 time across 37 shared years of data; in 1991 it was Zambia ahead.

Nigeria ranks 156th and Zambia ranks 157th of 188 countries.

Across the 4 decades both report, Nigeria averaged higher in 3 and Zambia in 1.

Head to head by decade

Decade	Nigeria	Zambia	Difference	Ahead
1990s	7,557	8,621	1,064	Zambia
2000s	9,522	9,384	138.13	Nigeria
2010s	13,121	11,758	1,364	Nigeria
2020s	11,616	11,045	571.43	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher output per worker, gdp constant 2021 international $ at ppp, Nigeria or Zambia?: Nigeria, at 11,810 against 11,746 in Zambia as of 2027.
What is the difference in output per worker, gdp constant 2021 international $ at ppp between Nigeria and Zambia?: 64, with Nigeria ahead.
How many years of comparable data are there for Nigeria and Zambia?: 37 years are reported by both, from 1991 to 2027.
How do Nigeria and Zambia rank globally for output per worker, gdp constant 2021 international $ at ppp?: Nigeria ranks 156th and Zambia ranks 157th 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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Nigeria vs Zambia: 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/nigeria/zambia/

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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.