Singapore vs Tonga: GNI, PPP (constant 2021 international $), per unit of GDP
Singapore
1.18 constant 2021 international $ per US$ of GDP
in 2025
Tonga
1.22 constant 2021 international $ per US$ of GDP
in 2024
Singapore rank
132nd
Tonga rank
129th
GNI, PPP (constant 2021 international $), per unit of GDP over time
- Singapore
- Tonga
How they compare
Tonga currently reports 1.22 constant 2021 international $ per US$ of GDP against 1.18 constant 2021 international $ per US$ of GDP in Singapore, a difference of 0.04 constant 2021 international $ per US$ of GDP.
The two have swapped places 6 times across 31 shared years of data; in 1994 it was Tonga ahead.
Singapore ranks 132nd and Tonga ranks 129th of 159 countries.
Across the 4 decades both report, Singapore averaged higher in 2 and Tonga in 2.
Head to head by decade
| Decade | Singapore | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 2.5 constant 2021 international $ per US$ of GDP | 2.67 constant 2021 international $ per US$ of GDP | 0.1628 constant 2021 international $ per US$ of GDP | Tonga |
| 2000s | 2.54 constant 2021 international $ per US$ of GDP | 2.43 constant 2021 international $ per US$ of GDP | 0.1089 constant 2021 international $ per US$ of GDP | Singapore |
| 2010s | 1.64 constant 2021 international $ per US$ of GDP | 1.48 constant 2021 international $ per US$ of GDP | 0.1607 constant 2021 international $ per US$ of GDP | Singapore |
| 2020s | 1.33 constant 2021 international $ per US$ of GDP | 1.37 constant 2021 international $ per US$ of GDP | 0.0371 constant 2021 international $ per US$ of GDP | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher gni, ppp (constant 2021 international $), per unit of gdp, Singapore or Tonga?
- Tonga, at 1.22 constant 2021 international $ per US$ of GDP against 1.18 constant 2021 international $ per US$ of GDP in Singapore as of 2024.
- What is the difference in gni, ppp (constant 2021 international $), per unit of gdp between Singapore and Tonga?
- 0.04 constant 2021 international $ per US$ of GDP, with Tonga ahead.
- How many years of comparable data are there for Singapore and Tonga?
- 31 years are reported by both, from 1994 to 2024.
- How do Singapore and Tonga rank globally for gni, ppp (constant 2021 international $), per unit of gdp?
- Singapore ranks 132nd and Tonga ranks 129th 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.