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Chronic hepatitis B (CHB) is a long-term infection caused by the hepatitis B virus that can lead to progressive liver damage, cirrhosis, and hepatocellular carcinoma. As per the Centers for Disease Control and Prevention (CDC), an estimated 1.2 million people were newly infected with hepatitis B virus (HBV) in 2022, while chronic hepatitis B and chronic hepatitis C collectively caused 1.3 million deaths annually due to liver disease and liver cancer. According to the chronic hepatitis B (CHB) epidemiology forecast by Expert Market Research, the disease burden is expected to remain substantial, emphasizing the need for improved liver disease prevention, diagnosis, and treatment strategies.
Base Year
Historical Period
Forecast Period

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Expert Market Research's “Chronic Hepatitis B (CHB) Epidemiology Forecast Report 2026-2035” offers comprehensive information on the prevalence and demographics of chronic hepatitis B (CHB). It projects the future incidence and prevalence rates of chronic hepatitis B (CHB) cases across various populations. The study covers age, gender, and type as major determinants of the chronic hepatitis B (CHB) population. The report highlights patterns in the prevalence of chronic hepatitis B (CHB) over time and projects future trends based on multiple variables.
The report provides a comprehensive overview of the disease, as well as historical and projected data on the epidemiology of chronic hepatitis B (CHB) in the 8 major markets.
Regions Covered
Chronic hepatitis B (CHB) is a long-term viral liver infection caused by the hepatitis B virus (HBV) that persists for more than six months. The infection occurs when the body's immune system is unable to eliminate the virus, allowing ongoing viral replication and liver inflammation. CHB is commonly transmitted through exposure to infected blood, sexual contact, or from an infected mother to her child during childbirth. The disease is generally classified into different clinical phases based on viral activity and immune response. Without appropriate management, liver fibrosis may progress to cirrhosis, liver failure, or hepatocellular carcinoma.
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Parameter |
Insight |
|
Largest Patient Pool |
India |
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Fastest Growing Region |
India |
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High-Risk Population |
Individuals infected at birth or during early childhood, immunocompromised individuals, and people with chronic liver disease |
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Key Diagnostic Method |
Hepatitis B surface antigen (HBsAg) testing with HBV DNA quantification |
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Major Risk Factor |
Perinatal transmission and exposure to infected blood or body fluids |
|
Major gap in the market |
Underdiagnosis due to limited screening and delayed disease detection |
The chronic hepatitis B (CHB) epidemiology division offers information on the patient pool from history to the present as well as the projected trend for each of the 8 major markets. Expert Market Research provides both current and predicted trends for the chronic hepatitis B (CHB) epidemiology scenario by examining a wide range of studies. Additionally, the report covers the diagnosed patient pool for chronic hepatitis B (CHB) and their trends. The data is broken down into specific categories, such as total prevalent cases in males and females, and total diagnosed cases across different age groups and patient pools.
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Epidemiology Segment |
Key Insights |
|
Diagnosed Prevalent Cases of the Disease |
As estimated by GSK (2025), chronic hepatitis B affects more than 250 million people worldwide. According to Fuqiang Cui et al. (2026), 34.1 million individuals living with HBV were diagnosed globally in 2022, of whom 6.6 million received antiviral treatment, highlighting the substantial diagnosed patient population and ongoing treatment gap. |
|
Gender-Specific Cases of the Disease |
According to Ruth Simmons et al. (2024), approximately two-thirds of individuals living with chronic hepatitis B in England were male, while one-third were female. As reported by Statens Serum Institut (2023), women represented 57% of reported chronic hepatitis B cases, primarily reflecting routine antenatal screening practices. |
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Age-Specific Cases of the Disease |
As reported by Ruth Simmons et al. (2024), 68% of individuals living with chronic hepatitis B in England were younger than 50 years. According to Statens Serum Institut (2023), the median age of reported chronic hepatitis B cases was 36 years (range: 19–78 years), indicating a considerable burden among the adult population. |
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Ethnicity-Wise Cases of the Disease |
According to Ruth Simmons et al. (2024), more than 83% of chronic hepatitis B infections in England occurred among ethnic groups other than White British, including 23% in Black ethnic groups, 21% in other White ethnic groups, and 19% in Asian ethnic groups. |
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Mortality and Survival Analysis of the Disease |
According to the Centers for Disease Control and Prevention (CDC) (2022), chronic hepatitis B and chronic hepatitis C together cause approximately 1.3 million deaths annually due to liver disease and liver cancer. As reported by Fuqiang Cui et al. (2026), HBV accounted for approximately 1.1 million deaths worldwide in 2022. |
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Disease Type |
Prevalence |
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HBeAg-Positive Chronic Hepatitis B |
Represents a major proportion of chronic hepatitis B cases during the active replicative phase and is commonly associated with higher viral activity and an increased disease burden. |
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HBeAg-Negative Chronic Hepatitis B |
Represents a significant share of chronic hepatitis B cases, particularly among patients with persistent infection, and contributes substantially to the long-term epidemiological burden of the disease. |

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The chronic hepatitis B (CHB) epidemiology data and findings for the United States, Germany, Spain, Italy, France, the United Kingdom, Japan, and India are also provided in the epidemiology section.
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Country |
Key Insights |
|
United States |
According to the American Liver Foundation (2025), an estimated 850,000 to 2.2 million people in the United States are living with chronic hepatitis B infection. As reported by the Centers for Disease Control and Prevention (CDC) (2022), chronic hepatitis B and chronic hepatitis C together account for approximately 1.3 million deaths annually due to liver disease and liver cancer. |
|
Germany |
Chronic hepatitis B remains an important public health concern in Germany, with continued epidemiological surveillance supporting disease monitoring, early diagnosis, and long-term management across the population. |
|
France |
According to Sandra Bivegete et al. (2023), hepatitis B prevalence among the general population in France was reported at 0.0%, while the prevalence among men who have sex with men was 0.2%, reflecting a comparatively low epidemiological burden in the evaluated populations. |
|
Italy |
As reported by Giuseppina Brancaccio et al. (2023), the prevalence of chronic hepatitis B surface antigen carriers in Italy declined from nearly 3% during the 1980s to less than 0.6%, reflecting the long-term impact of the national hepatitis B vaccination program. |
|
Spain |
Chronic hepatitis B epidemiology in Spain continues to be evaluated through surveillance and public health monitoring to support disease burden assessment and healthcare planning. |
|
United Kingdom |
According to the UK Security Agency (2024), approximately 206,000 people in England are living with chronic hepatitis B, corresponding to a prevalence of 0.45%. As estimated by Ruth Simmons et al. (2024), approximately 268,767 individuals were living with chronic hepatitis B in England, representing a prevalence of 0.58%. |
|
Japan |
According to GSK (2025), chronic hepatitis B causes approximately 4,000 deaths annually in Japan, demonstrating the continued mortality burden associated with chronic HBV infection. |
|
India |
According to Ekta Gupta et al. (2025), the overall HBV prevalence in India was 0.95%, with approximately 29 million individuals living with HBV. As reported by Ekta Gupta et al. (2025), nearly 50% of chronic HBV infections occur among adults aged 30–54 years, while approximately 12% occur in children. |
Despite improved awareness and expanded antiviral treatment availability, substantial gaps remain in the regional epidemiology landscape of chronic hepatitis B (CHB). Underdiagnosis caused by inadequate screening programs, limited access to confirmatory molecular diagnostics, and delayed linkage to care continues to hinder disease management. Significant opportunities exist in expanding population-based screening, strengthening maternal and neonatal prevention strategies, improving surveillance systems, and increasing access to early diagnosis and antiviral therapy. Advances in functional cure research and precision monitoring are expected to enhance disease management and support future epidemiological improvements across the evaluated regions.
Chronic hepatitis B (CHB) treatment focuses on suppressing hepatitis B virus replication, reducing liver inflammation, and preventing disease progression and complications. First-line therapy primarily includes long-term nucleoside analogs and nucleotide analogs, such as entecavir and tenofovir, while pegylated interferon-alpha may be considered for selected patients with favorable clinical characteristics. Regular monitoring of viral load, liver function, and disease activity is essential to evaluate treatment response and guide therapy adjustments. Emerging therapeutic approaches aim to achieve a functional cure by targeting viral suppression and restoring immune control over HBV infection.
*While we strive to always give you current and accurate information, the numbers depicted on the website are indicative and may differ from the actual numbers in the main report. At Expert Market Research, we aim to bring you the latest insights and trends in the market. Using our analyses and forecasts, stakeholders can understand the market dynamics, navigate challenges, and capitalize on opportunities to make data-driven strategic decisions.*
Explore our key highlights of the report and gain a concise overview of key findings, trends, and actionable insights that will empower your strategic decisions.
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Report Features |
Details |
|
Base Year |
2025 |
|
Historical Period |
2019-2025 |
|
Forecast Period |
2026-2035 |
|
Epidemiology Statistics Provided |
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|
Segmentation Provided |
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Geographies Covered |
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