Hepatitis B surface antigen (HBsAg) prevalence (%) in Chad
Chad: Hepatitis B surface antigen (HBsAg) prevalence was 2.2% in 2024. ▼ Falling
Latest (2024)
2.2%
Change on year
down 15.4%
World rank
11th
of 194 countries
All-time high
5.1%
in 2015
All-time low
2.2%
in 2024
Years of data
10
2015–2024
Hepatitis B surface antigen (HBsAg) prevalence in Chad, 2015–2024
Source: World Health Organization, Global Health Observatory.
Analysis
In 2024, hepatitis b surface antigen (hbsag) prevalence in Chad stood at 2.2%. That is the lowest value across all 10 years on record.
That represents a change of down 15.4% on the previous year and down 56.9% over ten years.
Over the whole period, hepatitis b surface antigen (hbsag) prevalence in Chad peaked at 5.1% in 2015 and was at its lowest, 2.2%, in 2024.
That places Chad 11th out of 194 countries with data for 2024, putting it in the top 10%.
Hepatitis B surface antigen (HBsAg) prevalence in Chad, year by year
| Year | Value | Change |
|---|---|---|
| 2015 | 5.1% | — |
| 2016 | 4.5% | -11.8% |
| 2017 | 3.9% | -13.3% |
| 2018 | 3.6% | -7.7% |
| 2019 | 3.5% | -2.8% |
| 2020 | 3.4% | -2.9% |
| 2021 | 3.5% | +2.9% |
| 2022 | 3.2% | -8.6% |
| 2023 | 2.6% | -18.8% |
| 2024 | 2.2% | -15.4% |
Chad compared with similar countries
- Chad's 2.2% is above the median for low income countries, which is 0.7%, 3.1× the median. (25 countries reporting)
- Chad's 2.2% is above the median for Sub-Saharan Africa, which is 1.1%, 2.1× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 4.1% | 3.5% | 5.1% | 5 |
| 2020s | 3.0% | 2.2% | 3.5% | 5 |
Countries ranked near Chad
More health data for Chad
- Un projection of annual infant deaths, annual growth rate -0.9964 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 0.6578 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 1,071 deaths per 1,000 people (2090)
- Number of infants who die before age 1 41,435 deaths (2100)
- Neonatal tetanus - number of reported cases, gaps filled 245 (2025)
- Population ages 00-04, female, annual growth rate 3.76 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0.0001 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0898 units per person (2025)
- Population ages 00-04, male, annual growth rate 3.77 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0.0001 units per US$ of GDP (2025)
Frequently asked questions
- What is hepatitis b surface antigen (hbsag) prevalence in Chad?
- Hepatitis b surface antigen (hbsag) prevalence in Chad was 2.2% in 2024, according to World Health Organization, Global Health Observatory.
- What is the highest hepatitis b surface antigen (hbsag) prevalence recorded in Chad?
- The highest recorded value was 5.1% in 2015.
- What is the lowest hepatitis b surface antigen (hbsag) prevalence recorded in Chad?
- The lowest recorded value was 2.2% in 2024.
- How does Chad rank for hepatitis b surface antigen (hbsag) prevalence?
- Chad ranks 11th out of 194 countries with data for 2024.
- Is hepatitis b surface antigen (hbsag) prevalence rising or falling in Chad?
- Over the last ten years it is down 56.9%. The long-run trend across the full record is falling.
- Where does this Chad 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).