Tonga's total reserves in months of imports was 10.98 in 2025, the latest year in the World Bank's World Development Indicators. That is up 56% from 7.04 in 2015 (4.55% a year on average, compounded).
Key figures
| Value | Year | |
|---|---|---|
| Latest | 10.98 | 2025 |
| Five years earlier | 10.88 | 2020 |
| Ten years earlier | 7.04 | 2015 |
| Highest | 13.92 | 2021 |
| Lowest | 2.9 | 2002 |
| Average since 2016 | 10.2 | 2016–2025 |
| First recorded | 5.54 | 1977 |
What the numbers say
In 2025, Tonga's total reserves in months of imports rose 1.5% on 2024 (from 10.82 to 10.98).
Across the 30 yearly changes before that (1988 to 2024), the average change was +4.7% and a typical year strayed about 18.7% from that (the standard deviation). This year's change was 0.2 standard deviations below that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.
On record, the biggest yearly rise was 44% in 2020 and the biggest yearly fall was 30.2% in 2005. The numbers show how large and when, not why; for the cause, look at what happened in that country in those years.
From 2016 to 2025 the straight-line trend is upward, about 0.58 a year. A straight line explains 50% of the movement over 10 observed years.
Worked out from the yearly values above. How the checks work: standard deviation, z-scores and straight-line trends.
How it compares
In 2025, Tonga had the 12th highest value of the 112 economies reporting that year. Higher is not always better: for some indicators the lowest value is the one to aim for. See the full ranking.
| Value | Year | |
|---|---|---|
| Tonga | 10.98 | 2025 |
| World | 8.62 | 2025 |
| East Asia & Pacific | 11.11 | 2025 |
| Upper middle income | 9.94 | 2025 |
Closest to Tonga in the 2025 ranking
What this measures
Reserve assets are external assets, including monetary gold, that are readily available to and controlled by monetary authorities for meeting balance of payments financing needs, for intervention in exchange markets to affect the currency exchange rate, and for other related purposes (such as maintaining confidence in the currency and the economy, and serving as a basis for foreign borrowing). Reserve assets must be denominated and settled in foreign currency. This item is expressed in terms of the number of months of imports of goods and services they could pay for [X/(Imports/12)].
Regional and income-group figures are computed by the World Bank as a weighted average.
All 43 values
| Year | Total reserves in months of imports |
|---|---|
| 2025 | 10.98 |
| 2024 | 10.82 |
| 2023 | 11.99 |
| 2022 | 13.23 |
| 2021 | 13.92 |
| 2020 | 10.88 |
| 2019 | 7.55 |
| 2018 | 7.6 |
| 2017 | 7.4 |
| 2016 | 7.62 |
| 2015 |
Total reserves in months of imports in nearby economies
- Australia — 1.58 (2025)
- Brunei Darussalam — 7.91 (2025)
- Cambodia — 7.91 (2025)
- China — 11.94 (2025)
- Fiji — 4.44 (2024)
- Hong Kong SAR, China — 5.69 (2023)
- Indonesia — 5.51 (2025)
- Japan — 14.01 (2025)
- Korea, Rep. — 6.46 (2025)
- Lao PDR — 3.43 (2025)
- Macao SAR, China
More economic policy & debt data for Tonga
- Grants, excluding technical cooperation (BoP, current US$) — US$121.36 million (2023)
- Technical cooperation grants (BoP, current US$) — US$9.6 million (2023)
- Net official development assistance and official aid received (current US$) — US$129.55 million (2023)
- Net official development assistance and official aid received (constant 2023 US$) — US$129.55 million (2023)
- Net official development assistance received (current US$) — US$129.55 million (2023)
- Net official development assistance received (constant 2023 US$) — US$129.55 million (2023)
- Net ODA received per capita (current US$) — US$1,239 (2023)
- Net bilateral aid flows from DAC donors, Total (current US$) — US$108.76 million (2023)
Reading data like this
Questions people ask
- What is Tonga's total reserves in months of imports?
- 10.98 in 2025, according to the World Bank (World Development Indicators).
- How has it changed since 1977?
- It is up 98.1% from 5.54 in 1977 (1.43% a year on average, compounded). The highest value was 13.92 in 2021 and the lowest 2.9 in 2002.
- How does Tonga rank?
- 12th highest of 112 economies with data for 2025.
- Is the latest change in total reserves in months of imports unusual for Tonga?
- In 2025, Tonga's total reserves in months of imports rose 1.5% on 2024 (from 10.82 to 10.98). Across the 30 yearly changes before that (1988 to 2024), the average change was +4.7% and a typical year strayed about 18.7% from that (the standard deviation). This year's change was 0.2 standard deviations below that average, so it was an ordinary year: it sits within the range of normal year-to-year movement.
Source
World Bank, World Development Indicators, indicator FI.RES.TOTL.MO, licensed CC BY 4.0. Original source: International Financial Statistics database, International Monetary Fund (IMF) Figures are fetched from the World Bank API and refreshed monthly; see the series on data.worldbank.org. The full definition and method are in the World Bank's metadata glossary. Comparisons use the same World Bank release.
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