Bulgaria vs Estonia: Age dependency ratio, old

Bulgaria
35.1%
in 2025
Estonia
34.6%
in 2025
Bulgaria rank
19th
Estonia rank
21st

Age dependency ratio, old over time

  • Bulgaria
  • Estonia
101520253035196019922025

How they compare

Bulgaria currently reports 35.1% against 34.6% in Estonia, a difference of 0.5%.

The two have swapped places 3 times across 66 shared years of data; in 1960 it was Estonia ahead.

Bulgaria ranks 19th and Estonia ranks 21st of 218 countries.

Across the 7 decades both report, Bulgaria averaged higher in 4 and Estonia in 3.

Head to head by decade

Decade Bulgaria Estonia Difference Ahead
1960s 12.4% 16.8% 4.4% Estonia
1970s 16.0% 18.5% 2.5% Estonia
1980s 17.7% 17.7% 0.0% Estonia
1990s 22.2% 20.1% 2.1% Bulgaria
2000s 25.2% 24.3% 0.9% Bulgaria
2010s 30.1% 28.6% 1.5% Bulgaria
2020s 34.3% 33.1% 1.3% Bulgaria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher age dependency ratio, old, Bulgaria or Estonia?
Bulgaria, at 35.1% against 34.6% in Estonia as of 2025.
What is the difference in age dependency ratio, old between Bulgaria and Estonia?
0.5%, with Bulgaria ahead.
How many years of comparable data are there for Bulgaria and Estonia?
66 years are reported by both, from 1960 to 2025.
How do Bulgaria and Estonia rank globally for age dependency ratio, old?
Bulgaria ranks 19th and Estonia ranks 21st 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.

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Bulgaria vs Estonia: Age dependency ratio, old. Statizoid, drawing on World Population Prospects, United Nations (UN), publisher: UN Population Division. Retrieved 07 September 2026, from https://health.statizoid.com/compare/age-dependency-ratio-old-percent-of-working-age-population/bulgaria/estonia/

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About this data

Indicator
Age dependency ratio, old (% of working-age population)
Unit
% of working-age population
Source
World Population Prospects, United Nations (UN), publisher: UN Population Division
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
266 places, 17,526 data points, 1960–2025
Last refreshed

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.