Hepatitis B surface antigen (HBsAg) prevalence in Samoa

Samoa: Hepatitis B surface antigen (HBsAg) prevalence was 0.4% in 2024. β–² Rising

Latest (2024)
0.4%
Change on year
down 33.3%
World rank
62nd
of 192 countries
All-time high
0.6%
in 2021
All-time low
0.3%
in 2016
Years of data
10
2015–2024

Hepatitis B surface antigen (HBsAg) prevalence in Samoa, 2015–2024

00.20.40.62015201920242015: 0.42016: 0.32017: 0.32018: 0.52019: 0.52020: 0.52021: 0.62022: 0.62023: 0.62024: 0.4

Source: World Health Organization, Global Health Observatory.

Analysis

In 2024, hepatitis b surface antigen (hbsag) prevalence in Samoa stood at 0.4%.

That represents a change of down 33.3% on the previous year and unchanged over ten years.

Over the whole period, hepatitis b surface antigen (hbsag) prevalence in Samoa peaked at 0.6% in 2021 and was at its lowest, 0.3%, in 2016.

Samoa ranks 62nd of 192 countries on this measure, in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
2010s 0.4% 0.3% 0.5% 5
2020s 0.5% 0.4% 0.6% 5

Countries ranked near Samoa

  1. 59 Yemen 0.5% compare
  2. 59 Cyprus 0.5% compare
  3. 59 Eritrea 0.5% compare
  4. 62 Senegal 0.4% compare
  5. 62 Tanzania 0.4% compare
  6. 62 Zambia 0.4% compare
  7. 62 Burundi 0.4% compare
  8. 62 Bangladesh 0.4% compare
  9. 62 Iraq 0.4% compare
  10. 62 Cambodia 0.4% compare
  11. 62 North Korea 0.4% compare

See the full ranking of 202 places β†’

More health data for Samoa

All data for Samoa β†’

Frequently asked questions

What is hepatitis b surface antigen (hbsag) prevalence in Samoa?
Hepatitis b surface antigen (hbsag) prevalence in Samoa 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 Samoa?
The highest recorded value was 0.6% in 2021.
What is the lowest hepatitis b surface antigen (hbsag) prevalence recorded in Samoa?
The lowest recorded value was 0.3% in 2016.
How does Samoa rank for hepatitis b surface antigen (hbsag) prevalence?
Samoa ranks 62nd out of 192 countries with data for 2024.
Is hepatitis b surface antigen (hbsag) prevalence rising or falling in Samoa?
Over the last ten years it is unchanged. The long-run trend across the full record is rising.
Where does this Samoa 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.

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Hepatitis B surface antigen (HBsAg) prevalence in Samoa. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 17 August 2026, from https://health.statizoid.com/stat/hepatitis-b-surface-antigen-hbsag-prevalence-percent/samoa/

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About this data

Indicator
Hepatitis B surface antigen (HBsAg) prevalence (%)
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
202 places, 2,020 data points, 2015–2024
Last refreshed