Country Profile: Tonga
Tonga is an archipelago located in the South Pacific Ocean, approximately two-thirds of the way from Hawaii to New Zealand. The nation has a population of about 104,519 (2025 est.) predominantly living on the main island of Tongatapu. The economy is classified as upper middle-income, relying heavily on tourism, agriculture, and remittances from its diaspora. Governed as a constitutional monarchy, Tonga has a rich history of centralized leadership dating back to ancient times, moving towards a more democratic governance structure in recent years.
Geography
Tonga consists of numerous islands, with a total land area of 747 sq km, characterized by mostly flat islands and limestone bedrock. The climate is tropical, influenced by trade winds, with a warm season from December to May and a cooler season from May to December. Although all of Tonga's islands are inhabited, only 45 out of 171 islands are occupied, with the majority of the population residing on Tongatapu.
- 419 km of coastline
- 1,046 m is the highest point, Kao Volcano on Kao Island
- 12.1% of land is forested
- 48.6% of land used for agriculture (2023 est.)
- Vulnerable to cyclones and earthquakes
People and Society
The population of Tonga is approximately 104,519 (2025 est.), with a median age of 26.4 years. The majority of the populace identifies as Tongan (96.5%) and speaks Tongan as their primary language. Approximately 63.9% of the population adheres to Protestant Christianity. The country has a youthful demographic profile, with a significant portion of the population (29.3%) under the age of 15.
- 91.1% literacy rate (2019 est.)
- 78 years life expectancy (2024 est.)
- 19.43 births/1,000 population birth rate (2025 est.)
- 4.98 deaths/1,000 population death rate (2025 est.)
- 50.7% of women aged 15-49 are currently married (2021 est.)
Economy
Tonga's economy is characterized as upper middle-income, heavily reliant on remittances, tourism, and agriculture. In 2023, the GDP (PPP) was estimated at $740.1 million, with a growth rate of 2.1%. Major agricultural products include coconuts and various root vegetables. The economy faces challenges from external debts and the impact of global economic changes.
- 50.2% of GDP is from the services sector (2023 est.)
- 2.2% unemployment rate (2024 est.)
- 20.6% of the population lives below the poverty line (2021 est.)
- 50% of GDP comes from remittances (2023 est.)
- $119.5 million in exports (2024 est.)
Government
Tonga operates as a constitutional monarchy with a legislative assembly. The capital, Nuku'alofa, acts as the center of governance. The current king is George TUPOU VI, who has been in power since 2012. The government has made strides toward democratization, allowing for the first elected parliament in 2010.
- Independence was achieved on 4 June 1970 from the UK
- 30 seats in the Legislative Assembly (17 directly elected, 9 indirectly elected)
- 21 years is the minimum voting age
- Most recent election was held on 15 December 2025
- King TUPOU VI was crowned on 4 July 2015
Military and Security
Tonga's defense forces consist of approximately 600 active personnel and include the Tonga Navy and Air Wing. The military focuses on sovereignty protection, maritime security, and humanitarian aid. Military expenditures accounted for 1.8% of GDP in 2024, reflecting a commitment to national security.
- 600 active military personnel (2025)
- Tonga’s armed forces actively engage in humanitarian missions
- 1.6% of GDP military expenditure in 2023
- Participated in multinational operations in regions like Afghanistan and Iraq
Energy
Energy access is comprehensive in Tonga, with 100% of the population electrified. The energy sector is dominated by fossil fuels, but there is a growing emphasis on renewable sources such as solar energy.
- 67.01 million kWh electricity consumption (2023 est.)
- 89% of electricity generation relies on fossil fuels (2023 est.)
- 34,000 kW total installed generating capacity (2023 est.)
- 1,000 bbl/day refined petroleum consumption (2023 est.)
Environment
Tonga faces significant environmental challenges, including deforestation and coral reef degradation. The country is a party to several international environmental agreements, such as the Paris Agreement, aiming to address climate change and protect biodiversity.
- 12.2% of municipal solid waste is recycled (2022 est.)
- 174,000 metric tonnes of CO2 emissions (2023 est.)
- Major threats to marine ecosystems from pollution and salinization
Transportation
Tonga has an established transport infrastructure with 6 airports and a merchant fleet that includes various cargo vessels. The country's roads and accessibility to outer islands are critical for economic activities and mobility.
- 3 ports: Neiafu, Nuku Alofa, and Pangai (2024)
- 29 merchant marine vessels (2023)
- Civil aircraft registration code: A3
Communications
Communication in Tonga has expanded significantly, with a notable increase in mobile subscriptions. Internet access is growing, although still limited in rural areas.
- 64,800 mobile subscriptions (2022 est.)
- 59% of the population are internet users (2023 est.)
- Fixed-line subscriptions total 11,000 (2021 est.)
Key Metrics
| Metric | Value | Note |
|---|---|---|
| Total Population | 104,519 | 2025 est. |
| Total Area | 747 sq km | |
| GDP (PPP) | $740.1 million | 2023 est. |
| Energy Consumption per Capita | 23.272 million Btu/person | 2023 est. |
| Birth Rate | 19.43 births/1,000 population | 2025 est. |
| Unemployment Rate | 2.2% | 2024 est. |
| Life Expectancy at Birth | 78 years | 2024 est. |
| Literacy Rate | 91.1% | 2019 est. |
| Military Expenditures | 1.8% of GDP | 2024 est. |
| Population below Poverty Line | 20.6% | 2021 est. |
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