What is the difference in infant mortality rate between Nauru and Tonga?

0.0056 deaths per 100 live births, with Tonga ahead.

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

40 years are reported by both, from 1985 to 2024.

Where does this data come from?

United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data, published as Infant mortality rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Nauru vs Tonga: Infant mortality rate

Nauru

0.7719 deaths per 100 live births

in 2024

Tonga

0.7775 deaths per 100 live births

in 2024

Nauru rank

132nd

Tonga rank

130th

Infant mortality rate over time

Nauru
Tonga

How they compare

Tonga currently reports 0.7775 deaths per 100 live births against 0.7719 deaths per 100 live births in Nauru, a difference of 0.0056 deaths per 100 live births.

The two have swapped places 1 time across 40 shared years of data; in 1985 it was Nauru ahead.

Nauru ranks 132nd and Tonga ranks 130th of 199 countries.

Nauru has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Nauru	Tonga	Difference	Ahead
1980s	6.74 deaths per 100 live births	1.98 deaths per 100 live births	4.76 deaths per 100 live births	Nauru
1990s	4.82 deaths per 100 live births	1.58 deaths per 100 live births	3.24 deaths per 100 live births	Nauru
2000s	3.18 deaths per 100 live births	1.22 deaths per 100 live births	1.96 deaths per 100 live births	Nauru
2010s	1.73 deaths per 100 live births	0.9729 deaths per 100 live births	0.7545 deaths per 100 live births	Nauru
2020s	0.8818 deaths per 100 live births	0.8218 deaths per 100 live births	0.06 deaths per 100 live births	Nauru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher infant mortality rate, Nauru or Tonga?: Tonga, at 0.7775 deaths per 100 live births against 0.7719 deaths per 100 live births in Nauru as of 2024.
What is the difference in infant mortality rate between Nauru and Tonga?: 0.0056 deaths per 100 live births, with Tonga ahead.
How many years of comparable data are there for Nauru and Tonga?: 40 years are reported by both, from 1985 to 2024.
How do Nauru and Tonga rank globally for infant mortality rate?: Nauru ranks 132nd and Tonga ranks 130th of 199 countries.
Where does this data come from?: United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data, published as Infant mortality rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nauru vs Tonga: Infant mortality rate. Statizoid, drawing on United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data. Retrieved 23 September 2026, from https://health.statizoid.com/compare/infant-mortality/naoero/tonga/

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<a href="https://health.statizoid.com/compare/infant-mortality/naoero/tonga/">Nauru vs Tonga: Infant mortality rate</a> — Statizoid

About this data

Indicator: Infant mortality rate
Unit: deaths per 100 live births
Source: United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 199 places, 13,185 data points, 1931–2024
Last refreshed: 18 September 2026

Estimated number of deaths of children aged under one year, per 100 live births .