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

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

Where does this data come from?

Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data, published as Life expectancy versus lifespan inequality. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Saint Kitts and Nevis vs Tonga: Life expectancy versus lifespan inequality

Saint Kitts and Nevis

0.1072

in 2023

Tonga

0.1077

in 2023

Saint Kitts and Nevis rank

103rd

Tonga rank

101st

Life expectancy versus lifespan inequality over time

Saint Kitts and Nevis
Tonga

How they compare

Tonga currently reports 0.1077 against 0.1072 in Saint Kitts and Nevis, a difference of 0.0005.

The two have swapped places 4 times across 74 shared years of data; in 1950 it was Tonga ahead.

Saint Kitts and Nevis ranks 103rd and Tonga ranks 101st of 236 countries.

Across the 8 decades both report, Saint Kitts and Nevis averaged higher in 6 and Tonga in 2.

Head to head by decade

Decade	Saint Kitts and Nevis	Tonga	Difference	Ahead
1950s	0.2499	0.2562	0.0063	Tonga
1960s	0.221	0.1972	0.0238	Saint Kitts and Nevis
1970s	0.1791	0.1592	0.0198	Saint Kitts and Nevis
1980s	0.1607	0.1414	0.0193	Saint Kitts and Nevis
1990s	0.1457	0.1288	0.0169	Saint Kitts and Nevis
2000s	0.118	0.118	0.0001	Tonga
2010s	0.1123	0.1116	0.0007	Saint Kitts and Nevis
2020s	0.1104	0.109	0.0014	Saint Kitts and Nevis

Averages of every year both report within each decade.

Frequently asked questions

Which has higher life expectancy versus lifespan inequality, Saint Kitts and Nevis or Tonga?: Tonga, at 0.1077 against 0.1072 in Saint Kitts and Nevis as of 2023.
What is the difference in life expectancy versus lifespan inequality between Saint Kitts and Nevis and Tonga?: 0.0005, with Tonga ahead.
How many years of comparable data are there for Saint Kitts and Nevis and Tonga?: 74 years are reported by both, from 1950 to 2023.
How do Saint Kitts and Nevis and Tonga rank globally for life expectancy versus lifespan inequality?: Saint Kitts and Nevis ranks 103rd and Tonga ranks 101st of 236 countries.
Where does this data come from?: Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data, published as Life expectancy versus lifespan inequality. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Saint Kitts and Nevis vs Tonga: Life expectancy versus lifespan inequality. Statizoid, drawing on Human Mortality Database (2025); Aburto et al. (2023) – with major processing by Our World in Data. Retrieved 03 September 2026, from https://health.statizoid.com/compare/life-expectancy-versus-gini-lifespan-inequality/st-kitts-and-nevis/tonga/

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<a href="https://health.statizoid.com/compare/life-expectancy-versus-gini-lifespan-inequality/st-kitts-and-nevis/tonga/">Saint Kitts and Nevis vs Tonga: Life expectancy versus lifespan inequality</a> — Statizoid

About this data

Indicator: Life expectancy versus lifespan inequality
Source: Human Mortality Database (2025); Aburto et al. (2023) – with major processing 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: 28 August 2026

Level of inequality in lifespans, measured between 0 and 1.