World TB Day 2023 : Top 10 facts on tuberculosis

A total of 1.6 million people died from TB in 2021 (including 187 000 people with HIV). Worldwide, TB is the 13th leading cause of death and the second leading infectious killer after COVID-19

In 2021, the 30 high TB burden countries accounted for 87% of new TB cases. Eight countries account for two thirds of the total.

In 2021, 1.2 million children fell ill with TB globally. Child and adolescent TB is often overlooked by health providers and can be difficult to diagnose and treat.

TB is the leading killer of people with HIV. In 2021, there were 368 641people who had TB and HIV were notified, of whom only 46% were on antiretroviral therapy. 

Multidrug-resistant TB (MDR-TB) remains a public health crisis and a health security threat. Only about 36% people with drug resistant TB accessed treatment in 2020.

TB treatment saved about 74 million lives globally between 2000 and 2021, but important diagnostic and treatment gaps persist. The treatment success rate for people with TB was 86% in 2020

Globally, TB incidence rose by 3.6% between 2020 and 2021, reversing declines of about 2% per year for most of the past 2 decades.

Of the estimated 10.6 million people who fell ill with TB in 2021, only 6.4 million were detected and notified, leading to a gap of 4.2 million cases.

Funding for the provision of TB prevention, diagnostic and treatment services increased from 2010 to 2019,