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 194 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 194 countries with data for 2024, putting it in the middle of the range.
Hepatitis B surface antigen (HBsAg) prevalence in Tonga, year by year
| Year | Value | Change |
|---|---|---|
| 2015 | 1.1% | — |
| 2016 | 1.1% | +0.0% |
| 2017 | 1.1% | +0.0% |
| 2018 | 1.0% | -9.1% |
| 2019 | 1.0% | +0.0% |
| 2020 | 0.9% | -10.0% |
| 2021 | 0.8% | -11.1% |
| 2022 | 0.7% | -12.5% |
| 2023 | 0.6% | -14.3% |
| 2024 | 0.6% | +0.0% |
Tonga compared with similar countries
- Tonga's 0.6% is above the median for upper middle income countries, which is 0.2%, 3.0× the median. (57 countries reporting)
- Tonga's 0.6% is above the median for East Asia & Pacific, which is 0.6%, 1.0× the median. (30 countries reporting)
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 Cote d'Ivoire 0.6% compare
- 51 Ethiopia 0.6% compare
- 51 Micronesia (country) 0.6% compare
- 51 Laos 0.6% compare
- 51 Madagascar 0.6% compare
- 51 Nauru 0.6% compare
- 51 Palau 0.6% compare
More health data for Tonga
- Un projection of annual infant deaths, annual growth rate -33.33 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 2.33 % change on previous year (2090)
- 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)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate -1.42 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0535 units per person (2025)
- Population ages 00-04, male, annual growth rate -1.36 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (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 194 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).