GNI, PPP (constant 2021 international $), per unit of GDP in Sao Tome and Principe

Sao Tome and Principe: GNI, PPP (constant 2021 international $), per unit of GDP was 1.62 constant 2021 international $ per US$ of GDP in 2025. ▼ Falling

Latest (2025)
1.62 constant 2021 international $ per US$ of GDP
Change on year
down 6.6%
World rank
103rd
of 159 countries
All-time high
4.08 constant 2021 international $ per US$ of GDP
in 2010
All-time low
1.62 constant 2021 international $ per US$ of GDP
in 2025
Years of data
18
2008–2025

GNI, PPP (constant 2021 international $), per unit of GDP in Sao Tome and Principe, 2008–2025

012342008201620252008: 3.8 constant 2021 international $ per US$ of GDP2009: 3.8 constant 2021 international $ per US$ of GDP2010: 4.1 constant 2021 international $ per US$ of GDP2011: 3.6 constant 2021 international $ per US$ of GDP2012: 3.6 constant 2021 international $ per US$ of GDP2013: 3.3 constant 2021 international $ per US$ of GDP2014: 3.4 constant 2021 international $ per US$ of GDP2015: 3.8 constant 2021 international $ per US$ of GDP2016: 3.8 constant 2021 international $ per US$ of GDP2017: 3.5 constant 2021 international $ per US$ of GDP2018: 3.1 constant 2021 international $ per US$ of GDP2019: 2.9 constant 2021 international $ per US$ of GDP2020: 2.6 constant 2021 international $ per US$ of GDP2021: 2.4 constant 2021 international $ per US$ of GDP2022: 3 constant 2021 international $ per US$ of GDP2023: 2.2 constant 2021 international $ per US$ of GDP2024: 1.7 constant 2021 international $ per US$ of GDP2025: 1.6 constant 2021 international $ per US$ of GDP

Source: Statizoid (derived). Measured in constant 2021 international $ per US$ of GDP.

Analysis

In 2025, gni, ppp (constant 2021 international $), per unit of gdp in Sao Tome and Principe stood at 1.62 constant 2021 international $ per US$ of GDP. That is the lowest value across all 18 years on record.

That represents a change of down 6.6% on the previous year and down 57.8% over ten years.

Over the whole period, gni, ppp (constant 2021 international $), per unit of gdp in Sao Tome and Principe peaked at 4.08 constant 2021 international $ per US$ of GDP in 2010 and was at its lowest, 1.62 constant 2021 international $ per US$ of GDP, in 2025.

That places Sao Tome and Principe 103rd out of 159 countries with data for 2025, putting it in the middle of the range.

The long-run direction has been consistently falling across the 18 years of available data.

GNI, PPP (constant 2021 international $), per unit of GDP in Sao Tome and Principe, year by year

Annual values for GNI, PPP (constant 2021 international $), per unit of GDP in Sao Tome and Principe, 2008 to 2025.
Year constant 2021 international $ per US$ of GDP Change
2008 3.81 constant 2021 international $ per US$ of GDP —
2009 3.76 constant 2021 international $ per US$ of GDP -1.4%
2010 4.08 constant 2021 international $ per US$ of GDP +8.5%
2011 3.59 constant 2021 international $ per US$ of GDP -11.9%
2012 3.62 constant 2021 international $ per US$ of GDP +0.6%
2013 3.33 constant 2021 international $ per US$ of GDP -7.9%
2014 3.37 constant 2021 international $ per US$ of GDP +1.2%
2015 3.85 constant 2021 international $ per US$ of GDP +14.1%
2016 3.82 constant 2021 international $ per US$ of GDP -0.6%
2017 3.53 constant 2021 international $ per US$ of GDP -7.7%
2018 3.05 constant 2021 international $ per US$ of GDP -13.5%
2019 2.91 constant 2021 international $ per US$ of GDP -4.8%
2020 2.65 constant 2021 international $ per US$ of GDP -9.0%
2021 2.44 constant 2021 international $ per US$ of GDP -7.9%
2022 3.03 constant 2021 international $ per US$ of GDP +24.2%
2023 2.17 constant 2021 international $ per US$ of GDP -28.5%
2024 1.74 constant 2021 international $ per US$ of GDP -19.8%
2025 1.62 constant 2021 international $ per US$ of GDP -6.6%

Sao Tome and Principe compared with similar countries

  • Sao Tome and Principe's 1.62 constant 2021 international $ per US$ of GDP is below the median for lower middle income countries, which is 2.45 constant 2021 international $ per US$ of GDP, 66% of the median. (40 countries reporting)
  • Sao Tome and Principe's 1.62 constant 2021 international $ per US$ of GDP is below the median for Sub-Saharan Africa, which is 2.34 constant 2021 international $ per US$ of GDP, 69% of the median. (42 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 3.79 constant 2021 international $ per US$ of GDP 3.76 constant 2021 international $ per US$ of GDP 3.81 constant 2021 international $ per US$ of GDP 2
2010s 3.52 constant 2021 international $ per US$ of GDP 2.91 constant 2021 international $ per US$ of GDP 4.08 constant 2021 international $ per US$ of GDP 10
2020s 2.27 constant 2021 international $ per US$ of GDP 1.62 constant 2021 international $ per US$ of GDP 3.03 constant 2021 international $ per US$ of GDP 6

Countries ranked near Sao Tome and Principe

  1. 100 Peru 1.65 constant 2021 international $ per US$ of GDP compare
  2. 101 Bulgaria 1.64 constant 2021 international $ per US$ of GDP compare
  3. 102 Croatia 1.63 constant 2021 international $ per US$ of GDP compare
  4. 104 Sudan 1.61 constant 2021 international $ per US$ of GDP compare
  5. 105 Seychelles 1.6 constant 2021 international $ per US$ of GDP compare
  6. 106 Mexico 1.6 constant 2021 international $ per US$ of GDP compare

See the full ranking of 184 places →

More economy & growth data for Sao Tome and Principe

All data for Sao Tome and Principe →

Frequently asked questions

What is gni, ppp (constant 2021 international $), per unit of gdp in Sao Tome and Principe?
Gni, ppp (constant 2021 international $), per unit of gdp in Sao Tome and Principe was 1.62 constant 2021 international $ per US$ of GDP in 2025, according to Statizoid (derived).
What is the highest gni, ppp (constant 2021 international $), per unit of gdp recorded in Sao Tome and Principe?
The highest recorded value was 4.08 constant 2021 international $ per US$ of GDP in 2010.
What is the lowest gni, ppp (constant 2021 international $), per unit of gdp recorded in Sao Tome and Principe?
The lowest recorded value was 1.62 constant 2021 international $ per US$ of GDP in 2025.
How does Sao Tome and Principe rank for gni, ppp (constant 2021 international $), per unit of gdp?
Sao Tome and Principe ranks 103rd out of 159 countries with data for 2025.
Is gni, ppp (constant 2021 international $), per unit of gdp rising or falling in Sao Tome and Principe?
Over the last ten years it is down 57.8%. The long-run trend across the full record is falling.
Where does this Sao Tome and Principe data come from?
The figures come from Statizoid (derived), published as part of GNI, PPP (constant 2021 international $), per unit of GDP. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 18 observations, free to reuse under Derived by Statizoid from the sources named on the page.

Share, cite or embed this page

Cite this page

GNI, PPP (constant 2021 international $), per unit of GDP in Sao Tome and Principe. Statizoid, drawing on Statizoid (derived). Retrieved 07 October 2026, from https://economy.statizoid.com/stat/gni-ppp-constant-2021-international-per-unit-of-gdp/sao-tome-and-principe/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under Derived by Statizoid from the sources named on the page; please keep the attribution.

<a href="https://economy.statizoid.com/stat/gni-ppp-constant-2021-international-per-unit-of-gdp/sao-tome-and-principe/">GNI, PPP (constant 2021 international $), per unit of GDP in Sao Tome and Principe</a> — Statizoid

How this figure is calculated

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.

GNI, PPP (constant 2021 international $) ÷ GDP (current US$)

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

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.