How many years of comparable data are there for Seychelles and Tonga?

74 years are reported by both, from 1950 to 2023.

Where does this data come from?

Human Mortality Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Remaining life expectancy at different ages. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Seychelles vs Tonga: Remaining life expectancy at different ages

Seychelles

72.86 years

in 2023

Tonga

72.89 years

in 2023

Seychelles rank

142nd

Tonga rank

140th

Remaining life expectancy at different ages over time

Seychelles
Tonga

How they compare

Tonga currently reports 72.89 years against 72.86 years in Seychelles, a difference of 0.03 years.

The two have swapped places 3 times across 74 shared years of data; in 1950 it was Seychelles ahead.

Seychelles ranks 142nd and Tonga ranks 140th of 236 countries.

Across the 8 decades both report, Seychelles averaged higher in 7 and Tonga in 1.

Head to head by decade

Decade	Seychelles	Tonga	Difference	Ahead
1950s	59.2 years	53.71 years	5.49 years	Seychelles
1960s	61.49 years	60.49 years	1 years	Seychelles
1970s	66.42 years	64.81 years	1.6 years	Seychelles
1980s	69.43 years	66.83 years	2.6 years	Seychelles
1990s	70.62 years	68.48 years	2.14 years	Seychelles
2000s	71.85 years	70.43 years	1.43 years	Seychelles
2010s	72.33 years	71.8 years	0.5316 years	Seychelles
2020s	72.36 years	72.51 years	0.1543 years	Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher remaining life expectancy at different ages, Seychelles or Tonga?: Tonga, at 72.89 years against 72.86 years in Seychelles as of 2023.
What is the difference in remaining life expectancy at different ages between Seychelles and Tonga?: 0.03 years, with Tonga ahead.
How many years of comparable data are there for Seychelles and Tonga?: 74 years are reported by both, from 1950 to 2023.
How do Seychelles and Tonga rank globally for remaining life expectancy at different ages?: Seychelles ranks 142nd and Tonga ranks 140th of 236 countries.
Where does this data come from?: Human Mortality Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Remaining life expectancy at different ages. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Remaining life expectancy at different ages
Unit: years
Source: Human Mortality Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 18,722 data points, 1751–2023
Last refreshed: 07 August 2026

The period life expectancy at birth among totals, in a given year.