Infant mortality rate in Tonga
Tonga: Infant mortality rate was 0.9% in 2023. ◆ Volatile
Infant mortality rate in Tonga, 1950–2023
Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in % of infants.
Analysis
The most recent figure for infant mortality rate in Tonga is 0.9%, measured in 2023. That is the lowest value across all 74 years on record.
That represents a change of down 3.2% on the previous year and down 16.1% over ten years.
Over the whole period, infant mortality rate in Tonga peaked at 11.6% in 1950 and was at its lowest, 0.9%, in 2023.
That places Tonga 135th out of 236 countries with data for 2023, putting it 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 |
|---|---|---|---|---|
| 1950s | 8.9% | 6.8% | 11.6% | 10 |
| 1960s | 5.3% | 4.2% | 6.5% | 10 |
| 1970s | 3.1% | 2.6% | 3.9% | 10 |
| 1980s | 2.2% | 1.9% | 2.5% | 10 |
| 1990s | 1.6% | 1.4% | 1.8% | 10 |
| 2000s | 1.3% | 1.2% | 1.4% | 10 |
| 2010s | 1.0% | 1.0% | 1.1% | 10 |
| 2020s | 0.9% | 0.9% | 1.0% | 4 |
Countries ranked near Tonga
More health data for Tonga
- Estimated changes in temperature-related death rates compared to projected death rates 834.5 deaths per 1,000 people (2090)
- Number of infants who die before age 1 2 deaths (2100)
- Deaths in armed conflicts based on where they occurred 0 deaths (2026)
- Deaths in armed conflicts by region 0 deaths (2026)
- Age population, age 25, male, interpolated 698 (2025)
- Age population, age 25, female, interpolated 842 (2025)
- Age population, age 24, male, interpolated 804 (2025)
- Age population, age 24, female, interpolated 908 (2025)
- Age population, age 23, male, interpolated 865 (2025)
- Age population, age 23, female, interpolated 951 (2025)
Frequently asked questions
- What is infant mortality rate in Tonga?
- Infant mortality rate in Tonga was 0.9% in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest infant mortality rate recorded in Tonga?
- The highest recorded value was 11.6% in 1950.
- What is the lowest infant mortality rate recorded in Tonga?
- The lowest recorded value was 0.9% in 2023.
- How does Tonga rank for infant mortality rate?
- Tonga ranks 135th out of 236 countries with data for 2023.
- Is infant mortality rate rising or falling in Tonga?
- Over the last ten years it is down 16.1%. The long-run trend across the full record is volatile.
- Where does this Tonga data come from?
- The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Infant mortality rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The share of newborns who die before reaching the age of one.