Eritrea vs Tonga: Age dependency ratio
Eritrea
72.0%
in 2025
Tonga
71.7%
in 2025
Eritrea rank
34th
Tonga rank
35th
Age dependency ratio over time
- Eritrea
- Tonga
How they compare
Eritrea currently reports 72.0% against 71.7% in Tonga, a difference of 0.3%.
The two have swapped places 1 time across 66 shared years of data; in 1960 it was Tonga ahead.
Eritrea ranks 34th and Tonga ranks 35th of 217 countries.
Across the 7 decades both report, Eritrea averaged higher in 5 and Tonga in 2.
Head to head by decade
| Decade | Eritrea | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 80.6% | 96.3% | 15.7% | Tonga |
| 1970s | 87.0% | 96.8% | 9.8% | Tonga |
| 1980s | 88.1% | 86.4% | 1.6% | Eritrea |
| 1990s | 89.3% | 81.2% | 8.1% | Eritrea |
| 2000s | 88.8% | 77.9% | 10.9% | Eritrea |
| 2010s | 84.6% | 74.9% | 9.8% | Eritrea |
| 2020s | 75.8% | 72.6% | 3.2% | Eritrea |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age dependency ratio, Eritrea or Tonga?
- Eritrea, at 72.0% against 71.7% in Tonga as of 2025.
- What is the difference in age dependency ratio between Eritrea and Tonga?
- 0.3%, with Eritrea ahead.
- How many years of comparable data are there for Eritrea and Tonga?
- 66 years are reported by both, from 1960 to 2025.
- How do Eritrea and Tonga rank globally for age dependency ratio?
- Eritrea ranks 34th and Tonga ranks 35th of 217 countries.
- 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.