Iran vs Tonga: Old-age dependency ratio

Iran

11.4%

in 2023

Tonga

11.4%

in 2023

Iran rank

132nd

Tonga rank

131st

Old-age dependency ratio over time

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.

Indicator: Old-age dependency ratio
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: 07 August 2026

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