Hepatitis B surface antigen (HBsAg) prevalence in Tonga
Tonga: Hepatitis B surface antigen (HBsAg) prevalence was 0.6% in 2024. ▼ Falling
Latest (2024)
0.6%
Change on year
unchanged
World rank
51st
of 192 countries
All-time high
1.1%
in 2015
All-time low
0.6%
in 2023
Years of data
10
2015–2024
Hepatitis B surface antigen (HBsAg) prevalence in Tonga, 2015–2024
Source: World Health Organization, Global Health Observatory.
Analysis
The most recent figure for hepatitis b surface antigen (hbsag) prevalence in Tonga is 0.6%, measured in 2024. That is the lowest value across all 10 years on record.
That represents a change of down 45.5% over ten years.
Over the whole period, hepatitis b surface antigen (hbsag) prevalence in Tonga peaked at 1.1% in 2015 and was at its lowest, 0.6%, in 2023.
That places Tonga 51st out of 192 countries with data for 2024, putting it in the middle of the range.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 1.1% | 1.0% | 1.1% | 5 |
| 2020s | 0.7% | 0.6% | 0.9% | 5 |
Countries ranked near Tonga
- 51 Côte d’Ivoire 0.6% compare
- 51 Ethiopia 0.6% compare
- 51 Micronesia (country) 0.6% compare
- 51 Lao People’s Democratic Republic 0.6% compare
- 51 Madagascar 0.6% compare
- 51 Nauru 0.6% compare
- 51 Palau 0.6% compare
More health data for Tonga
- Heat deaths vs projected death rates, annual growth rate 2.33 % change on previous year (2090)
- Heat deaths vs projected death rates 834.5 (2090)
- Un projection of annual infant deaths 2 (2100)
- Deaths in armed conflicts by country 0 (2026)
- Deaths in armed conflicts by region 0 (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)
Frequently asked questions
- What is hepatitis b surface antigen (hbsag) prevalence in Tonga?
- Hepatitis b surface antigen (hbsag) prevalence in Tonga was 0.6% in 2024, according to World Health Organization, Global Health Observatory.
- What is the highest hepatitis b surface antigen (hbsag) prevalence recorded in Tonga?
- The highest recorded value was 1.1% in 2015.
- What is the lowest hepatitis b surface antigen (hbsag) prevalence recorded in Tonga?
- The lowest recorded value was 0.6% in 2023.
- How does Tonga rank for hepatitis b surface antigen (hbsag) prevalence?
- Tonga ranks 51st out of 192 countries with data for 2024.
- Is hepatitis b surface antigen (hbsag) prevalence rising or falling in Tonga?
- Over the last ten years it is down 45.5%. The long-run trend across the full record is falling.
- Where does this Tonga data come from?
- The figures come from World Health Organization, Global Health Observatory, published as part of Hepatitis B surface antigen (HBsAg) prevalence (%). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 10 observations, free to reuse under CC BY-NC-SA 3.0 IGO (WHO).