Higher GDP per capita is linked to greater foreign reserves per person.
Comparing GDP per capita (current US$) with Reserves excluding gold, foreign exchange (SDR), per capita across 169 countries, 2022–2025.
- Rank correlation
- +0.67
- Holding size constant
- +0.56
- Countries compared
- 169
- Period
- 2022–2025
What might link these
Wealthier countries may hold more foreign reserves for stability, while trade-dependent nations need larger buffers. A careful reader should note that reserves could also reflect export strength or policy choices, not just wealth.
Why this is not proof of anything
This is a correlation across countries, not an experiment. It cannot show that either indicator causes the other, and both may simply follow a third thing. Reserves and GDP per capita could both be driven by unmeasured factors like institutional quality or trade policies.
The second figure above repeats the measurement with national population and income held constant. It is the more conservative number: a relationship that largely disappears there was mostly telling you that larger, richer countries have more of most things.
How this was measured
Both indicators were ranked across every country reporting each, and the two rankings compared — ranks rather than raw values, because a handful of very large countries can otherwise manufacture a relationship on their own. The calculation is arithmetic over figures already published on this site; the commentary above is drafted from the two indicator names and the resulting coefficients.