1.7 Estimation of the burden of TB worldwide

TB today is second only to HIV/AIDS as the major cause of death from an infectious disease.

In 2011, there were 8.7 million estimated incident cases of TB and 1.4 million estimated deaths, including almost 1 million deaths from HIV-negative individuals and an additional 430,000 deaths from HIV-associated TB7,19. While the absolute number of TB cases has been slightly decreasing since 2006, there are many parts of the world where the number of TB cases is still increasing19.