Iran vs Tonga: Age dependency breakdown

Iran
11.4%
in 2023
Tonga
11.4%
in 2023
Iran rank
132nd
Tonga rank
131st

Age dependency breakdown over time

  • Iran
  • Tonga
02.557.51012.5195019862023

How they compare

Tonga currently reports 11.4% against 11.4% in Iran, a difference of 0.0%.

The two have swapped places 2 times across 74 shared years of data; in 1950 it was Tonga ahead.

Iran ranks 132nd and Tonga ranks 131st of 236 countries.

Across the 8 decades both report, Iran averaged higher in 2 and Tonga in 6.

Head to head by decade

Decade Iran Tonga Difference Ahead
1950s 8.6% 7.3% 1.3% Iran
1960s 7.2% 6.1% 1.1% Iran
1970s 6.3% 6.4% 0.1% Tonga
1980s 5.7% 7.3% 1.6% Tonga
1990s 6.6% 8.9% 2.4% Tonga
2000s 6.8% 10.0% 3.2% Tonga
2010s 8.5% 10.5% 2.0% Tonga
2020s 10.9% 11.2% 0.3% Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher age dependency breakdown, Iran or Tonga?
Tonga, at 11.4% against 11.4% in Iran as of 2023.
What is the difference in age dependency breakdown between Iran and Tonga?
0.0%, with Tonga ahead.
How many years of comparable data are there for Iran and Tonga?
74 years are reported by both, from 1950 to 2023.
How do Iran and Tonga rank globally for age dependency breakdown?
Iran ranks 132nd and Tonga ranks 131st of 236 countries.
Where does this data come from?
UN, World Population Prospects (2024) – processed by Our World in Data, published as Age dependency breakdown. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Tonga: Age dependency breakdown. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 23 September 2026, from https://reference.statizoid.com/compare/age-dependency-breakdown/iran-islamic-rep/tonga/

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About this data

Indicator
Age dependency breakdown
Unit
%
Source
UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed

Number of people aged 65 and over per 100 working-age people (aged 15 to 64).