Global impact of tuberculosis

Tuberculosis (TB), which is preventable and curable, remains one of the world’s leading infectious disease killers, despite new medicines and better diagnostic tools


TB BURDEN: Eight countries accounted for 68% of total cases in 2022

Number of cases
100,000 
500,000 
1,000,000
2,000,000

Nigeria
Dem. Rep. of Congo
Pakistan
India
Bangladesh
Indonesia
Philippines
China

Circles shown for countries with at least 100,000 estimated cases


GLOBAL INCIDENCE

People falling ill with TB
(millions) 

10.0 10.3 10.6
2020 2021 2022


DISEASE OVERVIEW: TB caused by bacteria, commonly affects lungs

Spread through air when people with lung TB cough, sneeze or spit

Leading cause of death of people with HIV and major contributor to antimicrobial resistance

25% of global population infected with TB bacteria. Only 5-10% of those will become sick or infectious during their lifetime


1.3m deaths from TB in 2022


Sources: New York Times, Word Health Organisation
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