Share of the population at risk of catastrophic spending when surgical care is required in Tonga
Tonga: Share of the population at risk of catastrophic spending when surgical care is required was 0.2% in 2008. ▼ Falling
Share of the population at risk of catastrophic spending when surgical care is required in Tonga, 2003–2008
Source: Harvard Medical School Program in Global Surgery and Social Change (PGSSC), via World Bank (2026) – processed by Our World in Data. Measured in % of people at risk.
Analysis
The most recent figure for share of the population at risk of catastrophic spending when surgical care is required in Tonga is 0.2%, measured in 2008. That is the lowest value across all 6 years on record.
That represents a change of down 50.0% on the previous year and down 75.0% over ten years.
That places Tonga 114th out of 134 countries with data for 2008, putting it in the bottom quarter.
Share of the population at risk of catastrophic spending when surgical care is required in Tonga, year by year
| Year | % of people at risk | Change |
|---|---|---|
| 2003 | 0.8% | — |
| 2004 | 0.4% | -50.0% |
| 2005 | 0.5% | +25.0% |
| 2006 | 0.2% | -60.0% |
| 2007 | 0.4% | +100.0% |
| 2008 | 0.2% | -50.0% |
Countries ranked near Tonga
More population data for Tonga
- Population regions with projections, annual growth rate 0.0093 % change on previous year (2100)
- Urban and rural population 2050, annual growth rate -0.4068 % change on previous year (2050)
- Population long run with projections, annual growth rate 0.0093 % change on previous year (2100)
- Un population 2024 vs 2022, annual growth rate -0.5565 % change on previous year (2100)
- Africa's Development Dynamics (AfDD) Table 05 - Demographic estimates 131.22 Persons (2050)
- Africa's Development Dynamics (AfDD) Table 03 - Annual population 0.8047 Percent per annum (2030)
- Projected population under age 5, annual growth rate -0.3365 % change on previous year (2100)
- World population growth -0.0% (2100)
- Population density 163.72 people per km² (2100)
- Number of children under 5, by world region 6,812 people (2100)
Frequently asked questions
- What is share of the population at risk of catastrophic spending when surgical care is required in Tonga?
- Share of the population at risk of catastrophic spending when surgical care is required in Tonga was 0.2% in 2008, according to Harvard Medical School Program in Global Surgery and Social Change (PGSSC), via World Bank (2026) – processed by Our World in Data.
- What is the highest share of the population at risk of catastrophic spending when surgical care is required recorded in Tonga?
- The highest recorded value was 0.8% in 2003.
- What is the lowest share of the population at risk of catastrophic spending when surgical care is required recorded in Tonga?
- The lowest recorded value was 0.2% in 2006.
- How does Tonga rank for share of the population at risk of catastrophic spending when surgical care is required?
- Tonga ranks 114th out of 134 countries with data for 2008.
- Is share of the population at risk of catastrophic spending when surgical care is required rising or falling in Tonga?
- Over the last ten years it is down 75.0%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from Harvard Medical School Program in Global Surgery and Social Change (PGSSC), via World Bank (2026) – processed by Our World in Data, published as part of Share of the population at risk of catastrophic spending when surgical care is required. Statizoid updates them automatically from the source API.
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About this data
Catastrophic expenditure is defined as direct out-of-pocket payments for surgical and anaesthesia care exceeding 10% of total income.