Tonga Tax Revenue
Tax revenue as % of GDP GC.TAX.TOTL.GD.ZS
Tonga's tax revenue was 20.07% in 2025, ranked 43rd globally. This represents a 1.9% decrease from 2024. Data from World Bank, covering 2013–2025.
Overview
Tonga's tax revenue stood at 20.07% in 2025, a decline of +0.38% from 2023. Based on recent trends, this figure is projected to reach 20.07% by 2025. Tonga ranked 43rd globally.
Tonga’s tax revenue as a share of GDP has risen steadily over the 12‑year series, moving from a trough of 16.93 % in 2013 to an all‑time peak of 21.74 % in 2018 before settling at 20.07 % in 2025, which places the kingdom 43rd in the World Bank ranking. This upward trajectory reflects successive fiscal reforms and modest economic expansion, albeit with a slight moderation since the 2018 high. The 2025 figure is comparable to the revenues of peer economies such as Slovenia (20.14 %) and the Slovak Republic (19.90 %), suggesting that Tonga is converging toward the fiscal performance of small, open economies that balance limited tax bases with effective administration. The continuity of revenue growth will depend on maintaining tax compliance, diversifying the tax base, and mitigating external shocks such as climate‑related disruptions that could affect economic activity. Continued reform could keep the upward trend, while adverse shocks might reverse it.
Data & projection
| Year | Tax Revenue | YoY change | Rank |
|---|---|---|---|
| 2026* trend | 19.94% | - | - |
| 2025* trend | 20.07% | - | - |
| 2025 | 20.07% | −0.38% | #43 |
| 2023 | 20.45% | +0.05% | #67 |
| 2022 | 20.40% | −0.29% | #77 |
| 2021 | 20.70% | +0.31% | #92 |
| 2020 | 20.39% | −0.75% | #97 |
| 2019 | 21.14% | −0.60% | #101 |
| 2018 | 21.74% | +0.93% | #103 |
| 2017 | 20.82% | +0.56% | #105 |
| 2016 | 20.26% | +1.58% | #100 |
| 2015 | 18.68% | +1.57% | #93 |
| 2014 | 17.10% | +0.17% | #80 |
| 2013 | 16.93% | – | #75 |
Detected Pattern
Analysis
Tonga matched the Fiscal Dominance Trap pattern in 2022. Historically, 72% of countries showing this pattern (278 out of 386) saw tax revenue improve within 24 months. View full analysis →
Frequently Asked Questions
Tonga's tax revenue was 20.07% in 2025. Ranked 43rd globally. This represents a 1.9% decrease from the previous year.
Tonga's tax revenue peaked at 21.74% in 2018.
The lowest tax revenue in Tonga was 16.93% in 2013.
Tonga ranks 43rd globally in tax revenue as of 2025.
The World Bank indicator code is GC.TAX.TOTL.GD.ZS. Data sourced from World Bank.
Tonga's tax revenue is projected to reach 20.07% by 2025 based on trend extrapolation.
The tax revenue of Tonga in 2025 was 20.07%. This ranks 43rd in the world.
Cite this page
@misc{historysaid_tonga_tax-revenue,
title = {Tonga Tax Revenue},
url = {https://historysaid.com/tonga/tax-revenue/},
publisher = {HistorySaid},
year = {2026}
}