OECD members vs Zambia: Age dependency ratio (% of working-age population) (World Population)
OECD members
55.3%
in 2025
Zambia
75.3%
in 2025
OECD members rank
25th
Zambia rank
27th
Age dependency ratio (% of working-age population) (World Population) over time
- OECD members
- Zambia
How they compare
Zambia currently reports 75.3% against 55.3% in OECD members, a difference of 20.0%.
That makes Zambia's figure about 1.4 times OECD members's.
Across all 66 years both countries report, Zambia has been ahead every year.
OECD members ranks 25th and Zambia ranks 27th of 47 groups.
Zambia has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | OECD members | Zambia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 63.4% | 98.4% | 35.0% | Zambia |
| 1970s | 60.9% | 107.1% | 46.2% | Zambia |
| 1980s | 54.8% | 108.5% | 53.7% | Zambia |
| 1990s | 51.9% | 103.7% | 51.8% | Zambia |
| 2000s | 50.3% | 97.3% | 47.0% | Zambia |
| 2010s | 51.9% | 88.6% | 36.7% | Zambia |
| 2020s | 54.5% | 78.8% | 24.3% | Zambia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age dependency ratio, OECD members or Zambia?
- Zambia, at 75.3% against 55.3% in OECD members as of 2025.
- What is the difference in age dependency ratio between OECD members and Zambia?
- 20.0%, with Zambia ahead.
- How many years of comparable data are there for OECD members and Zambia?
- 66 years are reported by both, from 1960 to 2025.
- How do OECD members and Zambia rank globally for age dependency ratio?
- OECD members ranks 25th and Zambia ranks 27th of 47 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.