Bulgaria vs IBRD only: Age dependency ratio, old
Bulgaria
35.1%
in 2025
IBRD only
15.5%
in 2025
Bulgaria rank
19th
IBRD only rank
18th
Age dependency ratio, old over time
- Bulgaria
- IBRD only
How they compare
Bulgaria currently reports 35.1% against 15.5% in IBRD only, a difference of 19.6%.
That makes Bulgaria's figure about 2.3 times IBRD only's.
Across all 66 years both countries report, Bulgaria has been ahead every year.
Bulgaria ranks 19th and IBRD only ranks 18th of 218 countries.
Bulgaria has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Bulgaria | IBRD only | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 12.4% | 7.2% | 5.2% | Bulgaria |
| 1970s | 16.0% | 7.8% | 8.2% | Bulgaria |
| 1980s | 17.7% | 8.1% | 9.6% | Bulgaria |
| 1990s | 22.2% | 8.8% | 13.3% | Bulgaria |
| 2000s | 25.2% | 9.9% | 15.3% | Bulgaria |
| 2010s | 30.1% | 11.4% | 18.7% | Bulgaria |
| 2020s | 34.3% | 14.6% | 19.8% | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age dependency ratio, old, Bulgaria or IBRD only?
- Bulgaria, at 35.1% against 15.5% in IBRD only as of 2025.
- What is the difference in age dependency ratio, old between Bulgaria and IBRD only?
- 19.6%, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and IBRD only?
- 66 years are reported by both, from 1960 to 2025.
- How do Bulgaria and IBRD only rank globally for age dependency ratio, old?
- Bulgaria ranks 19th and IBRD only ranks 18th 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.