Country Risk Profile · Global Sustainable Competitiveness Index

Tonga

Country Profile

Population

104,175

Global avg: 41.5M

Area

750 km²

Global avg: 714,913 km²

Population Density

139 /km²

World: 58 /km²

GDP (Nominal)

$509M

Global avg: $569.2B

GDP per Capita

$4,864

World: $13,684

Sustainable Competitiveness

Overall GSCI Rank

#85

of 193 countries

Overall Score

45.1

72% of best score · 56th percentile

vs. Global Average

-0.3 lower

Global average: 45.4

2026 Global Sustainable Competitiveness Index Performance

Overall competitiveness score (high score → lower risk)

Rank 85 / 193
025507510045.1Tonga62.9Global best45.4Global average(Sweden)

10-year change (2015–2025)

+1.4

vs global trend

10-year outlook (projection)

+3.9

Sustainable Competitiveness Dimensions for Tonga

How Tonga compares to the global best and global average across the six GSCI dimensions.

Natural Capital

Rank 73 / 193
025507510053.4Tonga66.4Global best49.9Global average

Resource Efficiency

Rank 109 / 193
025507510045.8Tonga60.8Global best46.6Global average

Social Capital

Rank 75 / 193
025507510046.6Tonga62.0Global best45.0Global average

Intellectual Capital

Rank 103 / 193
025507510037.5Tonga79.7Global best40.4Global average

Economic Sustainability

Rank 92 / 193
025507510041.6Tonga61.2Global best42.0Global average

Governance

Rank 116 / 193
025507510045.7Tonga75.1Global best48.3Global average
FAQ

Frequently Asked Questions

Key figures and GSCI 2026 results for Tonga

Tonga ranks 85th of 193 countries in the GSCI 2026, with a score of 45.1. This is 72% of the best score (Sweden, 62.9) and places Tonga in the 56th percentile, 0.3 points below the global average of 45.4.
Tonga performs best in Natural Capital (73rd) and Social Capital (75th), and weakest in Governance (116th) and Resource Efficiency (109th). Its ranks in the other dimensions: Economic Sustainability 92nd, Intellectual Capital 103rd.
Tonga's GSCI score has improved by 1.4 points over the past ten years (2015–2025). Based on recent trends, the 10-year outlook is positive (+3.9 points).
Tonga has a population of 104,175, 0.25% of the average country (41.5 million), and a population density of 139 people per km², 2.4 times the world average (58). Its GDP is $509 million, 0.089% of the average country ($569.2 billion).
Tonga's GDP per capita is $4,864, 64% below the world average of $13,684.
The Global Sustainable Competitiveness Index (GSCI) measures the sustainable competitiveness of 193 countries across six dimensions: Natural Capital, Resource Efficiency, Social Capital, Intellectual Capital, Economic Sustainability and Governance. It is based on 296 quantitative indicators from sources such as the World Bank, UN agencies and the IMF, with no surveys or opinions.

Global Sustainable Competitiveness Index

Browse the full GSCI: 193 countries ranked across six structural dimensions of sustainable competitiveness, built on 296 quantitative indicators from the World Bank, UN, IMF, IEA, and other recognised data providers.

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About the GSCI methodology

The Global Sustainable Competitiveness Index ranks 193 countries across six structural dimensions. Scores are derived from 200+ quantitative indicators sourced from the World Bank, UN, IMF, IEA, and other recognised data providers.

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