Hepatitis B surface antigen (HBsAg) prevalence (%) in Western Pacific (WHO region)
Western Pacific (WHO region): Hepatitis B surface antigen (HBsAg) prevalence was 0.4% in 2024. ▼ Falling
Latest (2024)
0.4%
Change on year
unchanged
Rank
6th
of 13 groups
All-time high
0.5%
in 2015
All-time low
0.4%
in 2016
Years of data
10
2015–2024
Hepatitis B surface antigen (HBsAg) prevalence in Western Pacific (WHO region), 2015–2024
Source: World Health Organization, Global Health Observatory.
Analysis
Western Pacific (WHO region) recorded 0.4% for hepatitis b surface antigen (hbsag) prevalence in 2024. That is the lowest value across all 10 years on record.
The figure is down 20.0% over ten years.
Over the whole period, hepatitis b surface antigen (hbsag) prevalence in Western Pacific (WHO region) peaked at 0.5% in 2015 and was at its lowest, 0.4%, in 2016.
Hepatitis B surface antigen (HBsAg) prevalence in Western Pacific (WHO region), year by year
| Year | Value | Change |
|---|---|---|
| 2015 | 0.5% | — |
| 2016 | 0.4% | -20.0% |
| 2017 | 0.4% | +0.0% |
| 2018 | 0.4% | +0.0% |
| 2019 | 0.4% | +0.0% |
| 2020 | 0.4% | +0.0% |
| 2021 | 0.4% | +0.0% |
| 2022 | 0.4% | +0.0% |
| 2023 | 0.4% | +0.0% |
| 2024 | 0.4% | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 0.4% | 0.4% | 0.5% | 5 |
| 2020s | 0.4% | 0.4% | 0.4% | 5 |
Countries ranked near Western Pacific (WHO region)
More health data for Western Pacific (WHO region)
- Measles - number of reported cases, gaps filled 78,782 (2025)
- Total tetanus - number of reported cases, gaps filled 5,464 (2025)
- Diphtheria - number of reported cases, gaps filled 428 (2025)
- Neonatal tetanus - number of reported cases, gaps filled 214 (2025)
- Pertussis - number of reported cases, gaps filled 159,013 (2025)
- Number of under-five deaths, annual growth rate -5.73 % change on previous year (2024)
- Number of neonatal deaths, annual growth rate -4.28 % change on previous year (2024)
- Number of infant deaths, annual growth rate -4.75 % change on previous year (2024)
- Measles - number of reported cases, annual growth rate 228.55 % change on previous year (2025)
- Pertussis - number of reported cases, annual growth rate -73.21 % change on previous year (2025)
Frequently asked questions
- What is hepatitis b surface antigen (hbsag) prevalence in Western Pacific (WHO region)?
- Hepatitis b surface antigen (hbsag) prevalence in Western Pacific (WHO region) was 0.4% in 2024, according to World Health Organization, Global Health Observatory.
- What is the highest hepatitis b surface antigen (hbsag) prevalence recorded in Western Pacific (WHO region)?
- The highest recorded value was 0.5% in 2015.
- What is the lowest hepatitis b surface antigen (hbsag) prevalence recorded in Western Pacific (WHO region)?
- The lowest recorded value was 0.4% in 2016.
- How does Western Pacific (WHO region) rank for hepatitis b surface antigen (hbsag) prevalence?
- Western Pacific (WHO region) ranks 6th out of 13 groups with data for 2024.
- Is hepatitis b surface antigen (hbsag) prevalence rising or falling in Western Pacific (WHO region)?
- Over the last ten years it is down 20.0%. The long-run trend across the full record is falling.
- Where does this Western Pacific (WHO region) 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).