Probable cases of Dengue in the population in Tonga
Tonga: Probable cases of Dengue in the population was 3,152 in 2025. ◆ Volatile
Latest (2025)
3,152
Change on year
down 26.7%
World rank
15th
of 17 countries
All-time high
20,846
in 2022
All-time low
1,962
in 2020
Years of data
12
2014–2025
Probable cases of Dengue in the population in Tonga, 2014–2025
Source: UNICEF.
Analysis
In 2025, probable cases of dengue in the population in Tonga stood at 3,152.
Compared with earlier readings it is down 26.7% on the previous year and down 60.6% over ten years.
Over the whole period, probable cases of dengue in the population in Tonga peaked at 20,846 in 2022 and was at its lowest, 1,962, in 2020.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 6,982 | 2,867 | 14,426 | 6 |
| 2020s | 7,184 | 1,962 | 20,846 | 6 |
Countries ranked near Tonga
More population data for Tonga
- Population growth rate by level of development -0.013 (2100)
- Projected population under age 5 6,812 (2100)
- Population density 163.72 (2100)
- Population growth rate -0.013 (2100)
- Projected population under age 5, annual growth rate -0.3365 % change on previous year (2100)
- Africa's Development Dynamics (AfDD) Table 03 - Annual population 0.8047 Percent per annum (2030)
- Africa's Development Dynamics (AfDD) Table 05 - Demographic estimates 131.22 Persons (2050)
- Africa's Development Dynamics (AfDD) Table 05 - Demographic estimates 0.8047 % change on previous year (2030)
- Fertility and wanted fertility 3.1 (2024)
- Fertility vs unmet contraception 3.1 (2024)
Frequently asked questions
- What is probable cases of dengue in the population in Tonga?
- Probable cases of dengue in the population in Tonga was 3,152 in 2025, according to UNICEF.
- What is the highest probable cases of dengue in the population recorded in Tonga?
- The highest recorded value was 20,846 in 2022.
- What is the lowest probable cases of dengue in the population recorded in Tonga?
- The lowest recorded value was 1,962 in 2020.
- How does Tonga rank for probable cases of dengue in the population?
- Tonga ranks 15th out of 17 countries with data for 2025.
- Is probable cases of dengue in the population rising or falling in Tonga?
- Over the last ten years it is down 60.6%. The long-run trend across the full record is volatile.
- Where does this Tonga data come from?
- The figures come from UNICEF, published as part of Probable cases of Dengue in the population. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 12 observations, free to reuse under UNICEF Terms of Use (attribution required).