Sierra Leone vs Tanzania: Age dependency ratio, old (% of working-age population)
Sierra Leone
5.6%
in 2025
Tanzania
5.6%
in 2025
Sierra Leone rank
190th
Tanzania rank
189th
Age dependency ratio, old (% of working-age population) over time
- Sierra Leone
- Tanzania
How they compare
Tanzania currently reports 5.6% against 5.6% in Sierra Leone, a difference of 0.0%.
The two have swapped places 1 time across 66 shared years of data; in 1960 it was Sierra Leone ahead.
Sierra Leone ranks 190th and Tanzania ranks 189th of 218 countries.
Across the 7 decades both report, Sierra Leone averaged higher in 6 and Tanzania in 1.
Head to head by decade
| Decade | Sierra Leone | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 7.0% | 4.7% | 2.3% | Sierra Leone |
| 1970s | 7.6% | 5.3% | 2.3% | Sierra Leone |
| 1980s | 7.6% | 6.0% | 1.6% | Sierra Leone |
| 1990s | 7.1% | 5.6% | 1.5% | Sierra Leone |
| 2000s | 6.4% | 5.2% | 1.2% | Sierra Leone |
| 2010s | 5.8% | 5.6% | 0.2% | Sierra Leone |
| 2020s | 5.5% | 5.6% | 0.1% | Tanzania |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age dependency ratio, old, Sierra Leone or Tanzania?
- Tanzania, at 5.6% against 5.6% in Sierra Leone as of 2025.
- What is the difference in age dependency ratio, old between Sierra Leone and Tanzania?
- 0.0%, with Tanzania ahead.
- How many years of comparable data are there for Sierra Leone and Tanzania?
- 66 years are reported by both, from 1960 to 2025.
- How do Sierra Leone and Tanzania rank globally for age dependency ratio, old?
- Sierra Leone ranks 190th and Tanzania ranks 189th of 218 countries.
- Where does this data come from?
- World Population Prospects, United Nations (UN), publisher: UN Population Division, published as Age dependency ratio, old (% 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, old, is the ratio of older dependents--people 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.