Sri Lanka vs Tanzania: GNI, PPP (constant 2021 international $), per unit of GDP

Sri Lanka
2.86 constant 2021 international $ per US$ of GDP
in 2025
Tanzania
2.9 constant 2021 international $ per US$ of GDP
in 2025
Sri Lanka rank
22nd
Tanzania rank
20th

GNI, PPP (constant 2021 international $), per unit of GDP over time

  • Sri Lanka
  • Tanzania
2468199020072025

How they compare

Tanzania currently reports 2.9 constant 2021 international $ per US$ of GDP against 2.86 constant 2021 international $ per US$ of GDP in Sri Lanka, a difference of 0.04 constant 2021 international $ per US$ of GDP.

The two have swapped places 1 time across 31 shared years of data; in 1990 it was Sri Lanka ahead.

Sri Lanka ranks 22nd and Tanzania ranks 20th of 159 countries.

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

Head to head by decade

Decade Sri Lanka Tanzania Difference Ahead
1990s 7.18 constant 2021 international $ per US$ of GDP 5.15 constant 2021 international $ per US$ of GDP 2.03 constant 2021 international $ per US$ of GDP Sri Lanka
2000s 5.89 constant 2021 international $ per US$ of GDP 4.34 constant 2021 international $ per US$ of GDP 1.54 constant 2021 international $ per US$ of GDP Sri Lanka
2010s 3.35 constant 2021 international $ per US$ of GDP 3.25 constant 2021 international $ per US$ of GDP 0.0936 constant 2021 international $ per US$ of GDP Sri Lanka
2020s 3.32 constant 2021 international $ per US$ of GDP 2.95 constant 2021 international $ per US$ of GDP 0.3671 constant 2021 international $ per US$ of GDP Sri Lanka

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gni, ppp (constant 2021 international $), per unit of gdp, Sri Lanka or Tanzania?
Tanzania, at 2.9 constant 2021 international $ per US$ of GDP against 2.86 constant 2021 international $ per US$ of GDP in Sri Lanka as of 2025.
What is the difference in gni, ppp (constant 2021 international $), per unit of gdp between Sri Lanka and Tanzania?
0.04 constant 2021 international $ per US$ of GDP, with Tanzania ahead.
How many years of comparable data are there for Sri Lanka and Tanzania?
31 years are reported by both, from 1990 to 2025.
How do Sri Lanka and Tanzania rank globally for gni, ppp (constant 2021 international $), per unit of gdp?
Sri Lanka ranks 22nd and Tanzania ranks 20th of 159 countries.
Where does this data come from?
Statizoid (derived), published as GNI, PPP (constant 2021 international $), per unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sri Lanka vs Tanzania: GNI, PPP (constant 2021 international $), per unit of GDP. Statizoid, drawing on Statizoid (derived). Retrieved 07 October 2026, from https://economy.statizoid.com/compare/gni-ppp-constant-2021-international-per-unit-of-gdp/sri-lanka/tanzania/

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About this data

Indicator
GNI, PPP (constant 2021 international $), per unit of GDP
Unit
constant 2021 international $ per US$ of GDP
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
184 places, 5,350 data points, 1990–2025
Last refreshed

GNI, PPP (constant 2021 international $) divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.