Who is affected by tuberculosis (TB)

The World Health Organization (WHO) estimates that one-third of the world's population is infected with the bacteria that cause tuberculosis. About 2 million people die from TB each year.1

  • More than 9 million new active TB cases occur each year.2
  • In the United States, 14,093 people had active TB in 2005.3
  • More than 80% of the people with TB live in Africa and Asia.2


  1. Nachega JB, Chaisson RE (2003). Tuberculosis drug resistance: A global threat. Clinical Infectious Disease, 36(Suppl 1): S24–S30.
  2. World Health Organization (2008). Global tuberculosis control 2008: Surveillance, planning, financing. Available online: www.who.int/tb/publications/global_report/2008/download_centre/en/index.html.
  3. Centers for Disease Control and Prevention (2006). Trends in tuberculosis—United States, 2005. MMWR, 54(MM-11): 305–308.

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