Which has higher life expectancy at birth, projections, Saint Lucia or Tonga?

Saint Lucia, at 83.76 years against 83.53 years in Tonga as of 2100.

What is the difference in life expectancy at birth, projections between Saint Lucia and Tonga?

0.23 years, with Saint Lucia ahead.

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

77 years are reported by both, from 2024 to 2100.

Where does this data come from?

UN, World Population Prospects (2024) – processed by Our World in Data, published as Life expectancy at birth, projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Saint Lucia vs Tonga: Life expectancy at birth, projections

Saint Lucia

83.76 years

in 2100

Tonga

83.53 years

in 2100

Saint Lucia rank

148th

Tonga rank

150th

Life expectancy at birth, projections over time

Saint Lucia
Tonga

How they compare

Saint Lucia currently reports 83.76 years against 83.53 years in Tonga, a difference of 0.23 years.

The two have swapped places 1 time across 77 shared years of data; in 2024 it was Tonga ahead.

Saint Lucia ranks 148th and Tonga ranks 150th of 236 countries.

Across the 9 decades both report, Saint Lucia averaged higher in 3 and Tonga in 6.

Head to head by decade

Decade	Saint Lucia	Tonga	Difference	Ahead
2020s	73.22 years	73.46 years	0.2375 years	Tonga
2030s	74.43 years	74.68 years	0.2577 years	Tonga
2040s	75.93 years	76.28 years	0.3474 years	Tonga
2050s	77.44 years	77.87 years	0.4335 years	Tonga
2060s	78.9 years	79.28 years	0.3816 years	Tonga
2070s	80.32 years	80.51 years	0.1914 years	Tonga
2080s	81.69 years	81.65 years	0.0394 years	Saint Lucia
2090s	83.05 years	82.85 years	0.2 years	Saint Lucia
2100s	83.76 years	83.53 years	0.235 years	Saint Lucia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy at birth, projections, Saint Lucia or Tonga?: Saint Lucia, at 83.76 years against 83.53 years in Tonga as of 2100.
What is the difference in life expectancy at birth, projections between Saint Lucia and Tonga?: 0.23 years, with Saint Lucia ahead.
How many years of comparable data are there for Saint Lucia and Tonga?: 77 years are reported by both, from 2024 to 2100.
How do Saint Lucia and Tonga rank globally for life expectancy at birth, projections?: Saint Lucia ranks 148th and Tonga ranks 150th of 236 countries.
Where does this data come from?: UN, World Population Prospects (2024) – processed by Our World in Data, published as Life expectancy at birth, projections. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

About this data

Indicator: Life expectancy at birth, projections
Unit: years
Source: UN, World Population Prospects (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 18,172 data points, 2024–2100
Last refreshed: 07 August 2026

Period life expectancy at birth. Future projections are based on the UN's medium scenario.