Middle income vs Tonga: Age dependency ratio
Middle income
51.0%
in 2025
Tonga
71.7%
in 2025
Middle income rank
33rd
Tonga rank
35th
Age dependency ratio over time
- Middle income
- Tonga
How they compare
Tonga currently reports 71.7% against 51.0% in Middle income, a difference of 20.7%.
That makes Tonga's figure about 1.4 times Middle income's.
Across all 66 years both countries report, Tonga has been ahead every year.
Middle income ranks 33rd and Tonga ranks 35th of 45 groups.
Tonga has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Middle income | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 82.8% | 96.3% | 13.5% | Tonga |
| 1970s | 81.7% | 96.8% | 15.1% | Tonga |
| 1980s | 72.5% | 86.4% | 13.9% | Tonga |
| 1990s | 66.0% | 81.2% | 15.2% | Tonga |
| 2000s | 57.3% | 77.9% | 20.6% | Tonga |
| 2010s | 52.9% | 74.9% | 22.0% | Tonga |
| 2020s | 51.9% | 72.6% | 20.8% | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age dependency ratio, Middle income or Tonga?
- Tonga, at 71.7% against 51.0% in Middle income as of 2025.
- What is the difference in age dependency ratio between Middle income and Tonga?
- 20.7%, with Tonga ahead.
- How many years of comparable data are there for Middle income and Tonga?
- 66 years are reported by both, from 1960 to 2025.
- How do Middle income and Tonga rank globally for age dependency ratio?
- Middle income ranks 33rd and Tonga ranks 35th of 45 groups.
- Where does this data come from?
- World Population Prospects, United Nations (UN), publisher: UN Population Division, published as Age dependency ratio (% of working-age population). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
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.