Tonga
Location
- Geographical region: Polynesia, Oceania
- SDG region: SDG Oceania (excluding Australia and New Zealand)
- Small Island Developing States
Land
- Total area: --- km2
- Land area: 720 km2 (2020)
- Land use by sector: 49% agriculture, 12% forest and 39% other (2018 - 2020)
People
- Total population: 106,858 people (2022)
- Population density: 147 people per km2 (2020)
- Urbanisation: 23% lives in urban areas and 76% lives in rural areas (2020)
Economy
- Total GDP: 670,858,813 USD per year (2020)
- GDP per capita: 6,278 USD per year (2020)
- Value added by sector: 16% from agriculture, 51% from services and 16% from industry (2020 - 2021)
SDG 6 snapshot in Tonga
Drinking water
6.1.1 Proportion of population using safely managed drinking water services in Tonga, progress over time
6.1.1 Proportion of population using safely managed drinking water services in Tonga, by service level and location (2022)
Sanitation and hygiene
6.2.1a Proportion of population using safely managed sanitation services in Tonga, progress over time
6.2.1a Proportion of population using safely managed sanitation services in Tonga, by service level and location (2022)
6.2.1b Proportion of population with a handwashing facility with soap and water available at home in Tonga, by service level and location (2022)
Water quality and wastewater
6.3.1 Proportion of wastewater flow (safely) treated > Domestic in Tonga (2022), compared to other countries (and areas) in the region
6.3.1 Proportion of wastewater flow (safely) treated in Tonga, by source (2022)
6.3.2 Level 1 Proportion of bodies of water with good ambient water quality in Tonga (2023), compared to other countries (and areas) in the region
Water use and scarcity
Water resources and withdrawal in Tonga, total and per capita
Long-term average annual precipitation in depth: (mm/year) ()
Renewable water resources: m3 per capita ()
Water withdrawal: m3 per capita ()
Environmental flow requirements: % of the renewable water resources ()
6.4.2 Level of water stress: freshwater withdrawal as a proportion of available freshwater resources in Tonga, change over time, compared to other countries (and areas) in the region
6.4.1 Change in water-use efficiency over time in Tonga, by sector
Water-use efficiency for ‘Agriculture, forestry and fishing’ only takes into account the proportion of gross value added that comes from irrigated agriculture, since that activity is associated with water withdrawal (other activities are rain-fed).
6.4.1 Change in water-use efficiency over time in Tonga, progress over time, compared to other countries (and areas) in the region
Water resources management
6.5.1 Degree of integrated water resources management implementation (0-100) in Tonga, progress over time, by dimension
Very low (0-10) – Low (11-30) – Medium-low (31-50) – Medium-high (51-70) – High (71-90) – Very high (91-100)
6.5.2 Proportion of transboundary basin area with an operational arrangement for water cooperation in Tonga, progress over time, by component
Very low (0-10) – Low (11-30) – Medium-low (31-50) – Medium-high (51-70) – High (71-90) – Very high (91-100)
International cooperation and capacity-building
6.a.1 Amount of water- and sanitation-related official development assistance received by Tonga, over time
6.a.1 Amount of water- and sanitation-related official development assistance received by Tonga in 2022, by sub-sector
Water and sanitation-related official development assistance includes water sector policy and governance, water supply, sanitation, water sector policy, water resources conservation, river basins development, waste management/disposal, education and training, agricultural water resources and hydroelectric power.