Iran vs Tonga: Old-age dependency ratio
Iran
11.4%
in 2023
Tonga
11.4%
in 2023
Iran rank
132nd
Tonga rank
131st
Old-age dependency ratio over time
- Iran
- Tonga
How they compare
Tonga currently reports 11.4% against 11.4% in Iran, a difference of 0.0%.
The two have swapped places 2 times across 74 shared years of data; in 1950 it was Tonga ahead.
Iran ranks 132nd and Tonga ranks 131st of 236 countries.
Across the 8 decades both report, Iran averaged higher in 2 and Tonga in 6.
Head to head by decade
| Decade | Iran | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 8.6% | 7.3% | 1.3% | Iran |
| 1960s | 7.2% | 6.1% | 1.1% | Iran |
| 1970s | 6.3% | 6.4% | 0.1% | Tonga |
| 1980s | 5.7% | 7.3% | 1.6% | Tonga |
| 1990s | 6.6% | 8.9% | 2.4% | Tonga |
| 2000s | 6.8% | 10.0% | 3.2% | Tonga |
| 2010s | 8.5% | 10.5% | 2.0% | Tonga |
| 2020s | 10.9% | 11.2% | 0.3% | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher old-age dependency ratio, Iran or Tonga?
- Tonga, at 11.4% against 11.4% in Iran as of 2023.
- What is the difference in old-age dependency ratio between Iran and Tonga?
- 0.0%, with Tonga ahead.
- How many years of comparable data are there for Iran and Tonga?
- 74 years are reported by both, from 1950 to 2023.
- How do Iran and Tonga rank globally for old-age dependency ratio?
- Iran ranks 132nd and Tonga ranks 131st of 236 countries.
- Where does this data come from?
- UN, World Population Prospects (2024) – processed by Our World in Data, published as Old-age dependency ratio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of people aged 65 and over per 100 working-age people (aged 15 to 64).