How many years of comparable data are there for Oman and Romania?

27 years are reported by both, from 1998 to 2024.

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.

Oman vs Romania: GNI, PPP (constant 2021 international $), per unit of GDP

Oman

1.79 constant 2021 international $ per US$ of GDP

in 2024

Romania

1.87 constant 2021 international $ per US$ of GDP

in 2025

Oman rank

89th

Romania rank

86th

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

Oman
Romania

How they compare

Romania currently reports 1.87 constant 2021 international $ per US$ of GDP against 1.79 constant 2021 international $ per US$ of GDP in Oman, a difference of 0.08 constant 2021 international $ per US$ of GDP.

Across all 27 years both countries report, Romania has been ahead every year.

Oman ranks 89th and Romania ranks 86th of 159 countries.

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

Head to head by decade

Decade	Oman	Romania	Difference	Ahead
1990s	3.15 constant 2021 international $ per US$ of GDP	6.24 constant 2021 international $ per US$ of GDP	3.1 constant 2021 international $ per US$ of GDP	Romania
2000s	2.49 constant 2021 international $ per US$ of GDP	4.23 constant 2021 international $ per US$ of GDP	1.74 constant 2021 international $ per US$ of GDP	Romania
2010s	1.98 constant 2021 international $ per US$ of GDP	2.68 constant 2021 international $ per US$ of GDP	0.6924 constant 2021 international $ per US$ of GDP	Romania
2020s	1.84 constant 2021 international $ per US$ of GDP	2.36 constant 2021 international $ per US$ of GDP	0.5165 constant 2021 international $ per US$ of GDP	Romania

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gni, ppp (constant 2021 international $), per unit of gdp, Oman or Romania?: Romania, at 1.87 constant 2021 international $ per US$ of GDP against 1.79 constant 2021 international $ per US$ of GDP in Oman as of 2025.
What is the difference in gni, ppp (constant 2021 international $), per unit of gdp between Oman and Romania?: 0.08 constant 2021 international $ per US$ of GDP, with Romania ahead.
How many years of comparable data are there for Oman and Romania?: 27 years are reported by both, from 1998 to 2024.
How do Oman and Romania rank globally for gni, ppp (constant 2021 international $), per unit of gdp?: Oman ranks 89th and Romania ranks 86th 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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Oman vs Romania: 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/oman/romania/

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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: 28 September 2026

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.