What is infant mortality rate by sex in Tonga?

Infant mortality rate by sex in Tonga was 0.694 deaths per 100 live births in 2024, according to United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data.

What is the highest infant mortality rate by sex recorded in Tonga?

The highest recorded value was 5.57 deaths per 100 live births in 1963.

What is the lowest infant mortality rate by sex recorded in Tonga?

The lowest recorded value was 0.694 deaths per 100 live births in 2024.

How does Tonga rank for infant mortality rate by sex?

Tonga ranks 131st out of 199 countries with data for 2024.

Is infant mortality rate by sex rising or falling in Tonga?

Over the last ten years it is down 20.0%. The long-run trend across the full record is volatile.

Where does this Tonga data come from?

The figures come from United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data, published as part of Infant mortality rate by sex. Statizoid updates them automatically from the source API.

Infant mortality rate by sex in Tonga

Name: Infant mortality rate by sex in Tonga
Creator: United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Tonga: Infant mortality rate by sex was 0.694 deaths per 100 live births in 2024. ◆ Volatile

Latest (2024)

0.694 deaths per 100 live births

Change on year

down 2.8%

World rank

131st

of 199 countries

All-time high

5.57 deaths per 100 live births

in 1963

All-time low

0.694 deaths per 100 live births

in 2024

Years of data

1963–2024

Infant mortality rate by sex in Tonga, 1963–2024

Source: United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data. Measured in deaths per 100 live births.

Analysis

Tonga recorded 0.694 deaths per 100 live births for infant mortality rate by sex in 2024. That is the lowest value across all 62 years on record.

The figure is down 2.8% on the previous year and down 20.0% over ten years.

Over the whole period, infant mortality rate by sex in Tonga peaked at 5.57 deaths per 100 live births in 1963 and was at its lowest, 0.694 deaths per 100 live births, in 2024.

Tonga ranks 131st of 199 countries on this measure, in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

Decade	Average	Lowest	Highest	Years
1960s	4.6 deaths per 100 live births	3.71 deaths per 100 live births	5.57 deaths per 100 live births	7
1970s	2.74 deaths per 100 live births	2.18 deaths per 100 live births	3.47 deaths per 100 live births	10
1980s	1.85 deaths per 100 live births	1.63 deaths per 100 live births	2.1 deaths per 100 live births	10
1990s	1.38 deaths per 100 live births	1.24 deaths per 100 live births	1.57 deaths per 100 live births	10
2000s	1.07 deaths per 100 live births	0.9517 deaths per 100 live births	1.21 deaths per 100 live births	10
2010s	0.8596 deaths per 100 live births	0.789 deaths per 100 live births	0.9308 deaths per 100 live births	10
2020s	0.7336 deaths per 100 live births	0.694 deaths per 100 live births	0.7719 deaths per 100 live births	5

Countries ranked near Tonga

128 Argentina 0.7144 deaths per 100 live births compare
129 Libya 0.7115 deaths per 100 live births compare
130 Bahrain 0.7081 deaths per 100 live births compare
132 Nauru 0.6935 deaths per 100 live births compare
133 Thailand 0.6895 deaths per 100 live births compare
134 Ukraine 0.6829 deaths per 100 live births compare

See the full ranking of 199 places →

More health data for Tonga

Number of infants who die before age 1 2 deaths (2100)
Estimated changes in temperature-related death rates compared to projected death rates 834.5 deaths per 1,000 people (2090)
Deaths in armed conflicts by region 0 deaths (2026)
Deaths in armed conflicts based on where they occurred 0 deaths (2026)
Age population, age 09, male, interpolated 1,294 (2025)
Population, male 47.2% (2025)
Age population, age 06, female, interpolated 1,092 (2025)
Age population, age 06, male, interpolated 1,178 (2025)
Age population, age 07, female, interpolated 1,109 (2025)
Age population, age 07, male, interpolated 1,186 (2025)

All data for Tonga →

Frequently asked questions

What is infant mortality rate by sex in Tonga?: Infant mortality rate by sex in Tonga was 0.694 deaths per 100 live births in 2024, according to United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data.
What is the highest infant mortality rate by sex recorded in Tonga?: The highest recorded value was 5.57 deaths per 100 live births in 1963.
What is the lowest infant mortality rate by sex recorded in Tonga?: The lowest recorded value was 0.694 deaths per 100 live births in 2024.
How does Tonga rank for infant mortality rate by sex?: Tonga ranks 131st out of 199 countries with data for 2024.
Is infant mortality rate by sex rising or falling in Tonga?: Over the last ten years it is down 20.0%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?: The figures come from United Nations Inter-agency Group for Child Mortality Estimation (2025) – processed by Our World in Data, published as part of Infant mortality rate by sex. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 62 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: Infant mortality rate by sex
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, 12,987 data points, 1950–2024
Last refreshed: 07 August 2026

The estimated number of deaths of female children aged under one year, per 100 live births .