Chagai vs Portugal: Age dependency ratio, old

Chagai
31.1%
in 2025
Portugal
40.0%
in 2025
Chagai rank
1st
Portugal rank
3rd

Age dependency ratio, old over time

  • Chagai
  • Portugal
10203040196019922025

How they compare

Portugal currently reports 40.0% against 31.1% in Chagai, a difference of 8.9%.

That makes Portugal's figure about 1.3 times Chagai's.

The two have swapped places 1 time across 66 shared years of data; in 1960 it was Chagai ahead.

Chagai ranks 1st and Portugal ranks 3rd of 1 regions.

Across the 7 decades both report, Chagai averaged higher in 3 and Portugal in 4.

Head to head by decade

Decade Chagai Portugal Difference Ahead
1960s 20.6% 13.6% 7.0% Chagai
1970s 22.0% 16.5% 5.5% Chagai
1980s 21.6% 18.8% 2.9% Chagai
1990s 21.0% 22.1% 1.0% Portugal
2000s 21.8% 25.6% 3.9% Portugal
2010s 25.4% 31.3% 5.9% Portugal
2020s 29.7% 37.9% 8.2% Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher age dependency ratio, old, Chagai or Portugal?
Portugal, at 40.0% against 31.1% in Chagai as of 2025.
What is the difference in age dependency ratio, old between Chagai and Portugal?
8.9%, with Portugal ahead.
How many years of comparable data are there for Chagai and Portugal?
66 years are reported by both, from 1960 to 2025.
How do Chagai and Portugal rank globally for age dependency ratio, old?
Chagai ranks 1st and Portugal ranks 3rd of 1 regions.
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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Chagai vs Portugal: Age dependency ratio, old. Statizoid, drawing on World Population Prospects, United Nations (UN), publisher: UN Population Division. Retrieved 11 September 2026, from https://health.statizoid.com/compare/age-dependency-ratio-old-percent-of-working-age-population/channel-islands/portugal/

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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.