Iceland vs Sierra Leone: GNI, PPP

Iceland
26.05 billion constant 2021 international $
in 2024
Sierra Leone
26.66 billion constant 2021 international $
in 2025
Iceland rank
131st
Sierra Leone rank
129th

GNI, PPP over time

  • Iceland
  • Sierra Leone
10.0B15.0B20.0B25.0B200020122025

How they compare

Sierra Leone currently reports 26.66 billion constant 2021 international $ against 26.05 billion constant 2021 international $ in Iceland, a difference of 611.40 million constant 2021 international $.

The two have swapped places 2 times across 24 shared years of data; in 2001 it was Iceland ahead.

Iceland ranks 131st and Sierra Leone ranks 129th of 158 countries.

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

Head to head by decade

Decade Iceland Sierra Leone Difference Ahead
2000s 16.19 billion constant 2021 international $ 11.15 billion constant 2021 international $ 5.04 billion constant 2021 international $ Iceland
2010s 19.86 billion constant 2021 international $ 18.85 billion constant 2021 international $ 1.01 billion constant 2021 international $ Iceland
2020s 24.71 billion constant 2021 international $ 24.09 billion constant 2021 international $ 617.82 million constant 2021 international $ Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gni, ppp, Iceland or Sierra Leone?
Sierra Leone, at 26.66 billion constant 2021 international $ against 26.05 billion constant 2021 international $ in Iceland as of 2025.
What is the difference in gni, ppp between Iceland and Sierra Leone?
611.40 million constant 2021 international $, with Sierra Leone ahead.
How many years of comparable data are there for Iceland and Sierra Leone?
24 years are reported by both, from 2001 to 2024.
How do Iceland and Sierra Leone rank globally for gni, ppp?
Iceland ranks 131st and Sierra Leone ranks 129th of 158 countries.
Where does this data come from?
International Comparison Program (ICP), World Bank (WB), published as GNI, PPP (constant 2021 international $). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iceland vs Sierra Leone: GNI, PPP. Statizoid, drawing on International Comparison Program (ICP), World Bank (WB). Retrieved 30 August 2026, from https://economy.statizoid.com/compare/gni-ppp-constant-2021-international/iceland/sierra-leone/

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About this data

Indicator
GNI, PPP (constant 2021 international $)
Unit
constant 2021 international $
Source
International Comparison Program (ICP), World Bank (WB)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
183 places, 5,332 data points, 1990–2025
Last refreshed

This indicator provides values for gross national income (GNI) expressed in constant international dollars, converted by purchasing power parities (PPPs). PPPs account for the different price levels across countries and thus PPP-based comparisons of economic output are more appropriate for comparing the output of economies and the average material well-being of their inhabitants than exchange-rate based comparisons. Gross national income is the total income earned by all residents within an economic territory during an accounting period. It is equal to gross domestic product plus earned income receivable from abroad minus earned income payable abroad. This indicator is expressed in constant prices, meaning the series has been adjusted to account for price changes over time. The reference year for this adjustment is 2021. The PPP conversion factor is a currency conversion factor and a spatial price deflator. PPPs convert different currencies to a common currency and, in the process of conversion, equalize their purchasing power by eliminating the differences in price levels between countries, thereby allowing volume or output comparisons of GDP and its expenditure components.