Japan vs South Korea: GNI, PPP (constant 2021 international $), per unit of GDP
Japan
1.48 constant 2021 international $ per US$ of GDP
in 2024
South Korea
1.56 constant 2021 international $ per US$ of GDP
in 2025
Japan rank
116th
South Korea rank
113th
GNI, PPP (constant 2021 international $), per unit of GDP over time
- Japan
- South Korea
How they compare
South Korea currently reports 1.56 constant 2021 international $ per US$ of GDP against 1.48 constant 2021 international $ per US$ of GDP in Japan, a difference of 0.08 constant 2021 international $ per US$ of GDP.
That makes South Korea's figure about 1.1 times Japan's.
Across all 31 years both countries report, South Korea has been ahead every year.
Japan ranks 116th and South Korea ranks 113th of 159 countries.
South Korea has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Japan | South Korea | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 1.08 constant 2021 international $ per US$ of GDP | 2.13 constant 2021 international $ per US$ of GDP | 1.05 constant 2021 international $ per US$ of GDP | South Korea |
| 2000s | 1.16 constant 2021 international $ per US$ of GDP | 1.89 constant 2021 international $ per US$ of GDP | 0.7288 constant 2021 international $ per US$ of GDP | South Korea |
| 2010s | 1.1 constant 2021 international $ per US$ of GDP | 1.51 constant 2021 international $ per US$ of GDP | 0.4118 constant 2021 international $ per US$ of GDP | South Korea |
| 2020s | 1.31 constant 2021 international $ per US$ of GDP | 1.48 constant 2021 international $ per US$ of GDP | 0.1721 constant 2021 international $ per US$ of GDP | South Korea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher gni, ppp (constant 2021 international $), per unit of gdp, Japan or South Korea?
- South Korea, at 1.56 constant 2021 international $ per US$ of GDP against 1.48 constant 2021 international $ per US$ of GDP in Japan as of 2025.
- What is the difference in gni, ppp (constant 2021 international $), per unit of gdp between Japan and South Korea?
- 0.08 constant 2021 international $ per US$ of GDP, with South Korea ahead.
- How many years of comparable data are there for Japan and South Korea?
- 31 years are reported by both, from 1994 to 2024.
- How do Japan and South Korea rank globally for gni, ppp (constant 2021 international $), per unit of gdp?
- Japan ranks 116th and South Korea ranks 113th 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.
Individual pages
About this data
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.