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

28 years are reported by both, from 1991 to 2018.

Where does this data come from?

Statizoid (derived), published as Gross Domestic Product, GDP in millions constant 2021 international $ at PPP (ILO modelled estimates), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Nigeria vs Yemen: Gross Domestic Product, GDP in millions constant 2021 international $

Nigeria

0 units per US$ of GDP

in 2025

Yemen

0 units per US$ of GDP

in 2018

Nigeria rank

4th

Yemen rank

1st

Gross Domestic Product, GDP in millions constant 2021 international $ over time

Nigeria
Yemen

How they compare

Yemen currently reports 0 units per US$ of GDP against 0 units per US$ of GDP in Nigeria, a difference of 0 units per US$ of GDP.

That makes Yemen's figure about 1.3 times Nigeria's.

The two have swapped places 1 time across 28 shared years of data; in 1991 it was Nigeria ahead.

Nigeria ranks 4th and Yemen ranks 1st of 185 countries.

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

Head to head by decade

Decade	Nigeria	Yemen	Difference	Ahead
1990s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Yemen
2000s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Yemen
2010s	0 units per US$ of GDP	0 units per US$ of GDP	0 units per US$ of GDP	Yemen

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gross domestic product, gdp in millions constant 2021 international $, Nigeria or Yemen?: Yemen, at 0 units per US$ of GDP against 0 units per US$ of GDP in Nigeria as of 2018.
What is the difference in gross domestic product, gdp in millions constant 2021 international $ between Nigeria and Yemen?: 0 units per US$ of GDP, with Yemen ahead.
How many years of comparable data are there for Nigeria and Yemen?: 28 years are reported by both, from 1991 to 2018.
How do Nigeria and Yemen rank globally for gross domestic product, gdp in millions constant 2021 international $?: Nigeria ranks 4th and Yemen ranks 1st of 185 countries.
Where does this data come from?: Statizoid (derived), published as Gross Domestic Product, GDP in millions constant 2021 international $ at PPP (ILO modelled estimates), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nigeria vs Yemen: Gross Domestic Product, GDP in millions constant 2021 international $. Statizoid, drawing on Statizoid (derived). Retrieved 23 September 2026, from https://economy.statizoid.com/compare/gross-domestic-product-gdp-in-millions-constant-2021-international-at-ppp-ilo-modelled-3/nigeria/yemen-rep/

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<a href="https://economy.statizoid.com/compare/gross-domestic-product-gdp-in-millions-constant-2021-international-at-ppp-ilo-modelled-3/nigeria/yemen-rep/">Nigeria vs Yemen: Gross Domestic Product, GDP in millions constant 2021 international $</a> — Statizoid

About this data

Indicator: Gross Domestic Product, GDP in millions constant 2021 international $ at PPP (ILO modelled estimates), per unit of GDP
Unit: units per US$ of GDP
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 188 places, 6,436 data points, 1991–2025
Last refreshed: 16 September 2026

Gross Domestic Product, GDP in millions constant 2021 international $ at PPP (ILO modelled estimates) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.