Age dependency ratio in Tonga
Tonga: Age dependency ratio was 71.7% in 2025. ▼ Falling
Age dependency ratio in Tonga, 1960–2025
Source: World Population Prospects, United Nations (UN), publisher: UN Population Division. Measured in % of working-age population.
Analysis
Tonga recorded 71.7% for age dependency ratio in 2025. That is the lowest value across all 66 years on record.
The figure is down 1.4% on the previous year and down 3.9% over ten years.
Over the whole period, age dependency ratio in Tonga peaked at 98.3% in 1971 and was at its lowest, 71.7%, in 2025.
Tonga ranks 35th of 215 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 66 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 96.3% | 95.4% | 97.9% | 10 |
| 1970s | 96.8% | 92.9% | 98.3% | 10 |
| 1980s | 86.4% | 82.8% | 91.5% | 10 |
| 1990s | 81.2% | 78.4% | 82.5% | 10 |
| 2000s | 77.9% | 77.2% | 78.7% | 10 |
| 2010s | 74.9% | 73.1% | 76.5% | 10 |
| 2020s | 72.6% | 71.7% | 73.1% | 6 |
Countries ranked near Tonga
More health data for Tonga
- Population, male 47.2% (2025)
- Age population, age 12, male, interpolated 1,306 (2025)
- Age population, age 12, female, interpolated 1,274 (2025)
- Age population, age 11, male, interpolated 1,344 (2025)
- Age population, age 11, female, interpolated 1,276 (2025)
- Age population, age 10, male, interpolated 1,351 (2025)
- Age population, age 09, male, interpolated 1,294 (2025)
- Age population, age 08, male, interpolated 1,222 (2025)
- Age population, age 09, female, interpolated 1,221 (2025)
- Age population, age 13, female, interpolated 1,257 (2025)
Frequently asked questions
- What is age dependency ratio in Tonga?
- Age dependency ratio in Tonga was 71.7% in 2025, according to World Population Prospects, United Nations (UN), publisher: UN Population Division.
- What is the highest age dependency ratio recorded in Tonga?
- The highest recorded value was 98.3% in 1971.
- What is the lowest age dependency ratio recorded in Tonga?
- The lowest recorded value was 71.7% in 2025.
- How does Tonga rank for age dependency ratio?
- Tonga ranks 35th out of 215 countries with data for 2025.
- Is age dependency ratio rising or falling in Tonga?
- Over the last ten years it is down 3.9%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from World Population Prospects, United Nations (UN), publisher: UN Population Division, published as part of Age dependency ratio (% of working-age population). Statizoid updates them automatically from the source API.
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About this data
Age dependency ratio is the ratio of dependents--people younger than 15 or older than 64--to the working-age population--those ages 15-64. Data are shown as the proportion of dependents per 100 working-age population.