Costa Rica vs Sri Lanka: Age dependency ratio, old
Costa Rica
18.5%
in 2025
Sri Lanka
19.0%
in 2025
Costa Rica rank
81st
Sri Lanka rank
78th
Age dependency ratio, old over time
- Costa Rica
- Sri Lanka
How they compare
Sri Lanka currently reports 19.0% against 18.5% in Costa Rica, a difference of 0.5%.
Across all 66 years both countries report, Sri Lanka has been ahead every year.
Costa Rica ranks 81st and Sri Lanka ranks 78th of 218 countries.
Sri Lanka has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Costa Rica | Sri Lanka | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 6.1% | 7.0% | 0.9% | Sri Lanka |
| 1970s | 6.4% | 7.0% | 0.6% | Sri Lanka |
| 1980s | 6.9% | 8.3% | 1.3% | Sri Lanka |
| 1990s | 8.2% | 9.3% | 1.1% | Sri Lanka |
| 2000s | 9.6% | 9.8% | 0.2% | Sri Lanka |
| 2010s | 12.6% | 13.3% | 0.7% | Sri Lanka |
| 2020s | 16.8% | 17.6% | 0.8% | Sri Lanka |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age dependency ratio, old, Costa Rica or Sri Lanka?
- Sri Lanka, at 19.0% against 18.5% in Costa Rica as of 2025.
- What is the difference in age dependency ratio, old between Costa Rica and Sri Lanka?
- 0.5%, with Sri Lanka ahead.
- How many years of comparable data are there for Costa Rica and Sri Lanka?
- 66 years are reported by both, from 1960 to 2025.
- How do Costa Rica and Sri Lanka rank globally for age dependency ratio, old?
- Costa Rica ranks 81st and Sri Lanka ranks 78th 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.