TB Statistics - Global, incidence, high burden

Global TB statistics

With TB statistics for a country there will generally be two main types of TB statistics. There will be reports of actual cases, which is the minimum number of people affected, but these TB statistics are of limited use if many cases go unreported. There are also estimates, which are based on surveys, and they are often used to give the proportion of people living with TB. There will always be various assumptions made in compiling estimates, which is why they can sometimes provide very different figures from the TB statistics based on reported cases.

TB statistics and indeed the statistics for other diseases, will often refer to the incidence and prevalence of a disease. The TB incidence is the number of new cases of active TB disease in a population during a certain time period (usually a year). The cases of TB page gives the estimated incidence of almost every country in the world.

The TB prevalence is the number of people in the population who are living with active TB. Prevalence is usually, but not always given as a percentage of the population.1“Basic Statistics: About Incidence, Prevalence, Morbidity, and Mortality - Statistics Teaching Tools”, Department of Health, New York State www.health.ny.gov/diseases/chronic/basicstat.htm

TB related deaths

TB is one of the top ten leading causes of death worldwide and the leading cause from a single infectious agent, ranking above HIV/AIDS.

In 2017 there were a total of 1,600,000 TB related deaths.

Also an estimated 234,000 children died of TB in 2017 including children with HIV associated TB. People who have both TB and HIV when they die, are internationally classified as having died from HIV.

There is more about deaths from TB including the 234,000 mainly preventable deaths in children.

TB disease

There were an estimated 10.0 million new cases of TB disease (also known as active TB)  in 2017. TB affects all countries and age groups but overall the best estimates for 2017 were that ninety per cent were adults (aged > or = 15), 64% were male, 9% were people living with HIV (72% of them in Africa). Two thirds were in eight countries India (27%), China (9%), Indonesia (8%), the Philippines (6%), Pakistan (5%), Nigeria (4%) and South Africa (3%).

Only 6% of cases were in the WHO European Region and the WHO Region of the Americas, each of which has 3% of cases.

The global TB statistics show that in 2017 there were an estimated one million and ten thousand cases of TB in children ©Tobias Hofass

There is more about TB in IndiaTB in ChinaTB in the United States  TB in South Africa  &  TB in Nigeria.

In 2017 an estimated one million and ten thousand children became ill with TB.

The severity of national epidemics varies widely. In 2017 there were under 10 new cases per 100,000 population in most high income countries. There were 150-400 in most of the 30 high TB burden countries, and above 500 in a few countries including Mozambique, the Philippines and South Africa.

Drug resistant TB

Globally in 2017 there were an estimated 558,000 new cases of rifampicin (RR-TB) resistant TB. People with rifampicin resistant TB are now eligible for the same treatment as people with MDR TB.  Drug resistant TB is now an increasing problem in the worldwide control of TB and in the attempts to end TB.

 

Bovine TB

It is estimated that in some developing countries up to ten percent of human tuberculosis is due to bovine TB.

Regional TB statistics

All countries are asked to report their TB figures to the WHO. WHO then use these notified figures to help produce estimated total TB statistics for each country, region, globally, by HIV status and by age.

Estimated TB Incidence for WHO regions
WHO Region TB incidence
Africa 2,480,000
Americas 282,000
Eastern Mediterranean 771,000
Europe 273,000
South-East Asia 4,440,000
Western Pacific 1,800,000
Global Total 10,000,000

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TB statistics for “high burden” countries

Of all the countries that report their TB statistics to WHO, there are 22 countries that were referred to as the TB “high burden” countries. These countries had been prioritized at a global level since 2000. Between them they accounted for 83% of all estimated incident cases of TB worldwide in 2014. In addition to the main list there were two other lists, a list of high burden TB/HIV co-infection countries, and a third list of high burden MDR-TB countries.

In 2015 it was decided by WHO that the lists would be revised but that there would still be three lists. Each list would contain 30 countries. There is more about this on the TB high burden countries page.

The following is the estimated burden of TB for each of the 30 countries in the main high TB burden list.

Statistics for TB in "High Burden" Countries 2017
Country Total TB Incidence HIV positive TB Incidence Population
Angola 107,000 18,000 30,000,000
Bangladesh 364,000 550 165,000,000
Brazil 91,000 11,000 209,000,000
Cambodia 52,000 1,300 16,000,000
Central African Republic 20,000 6,200 5,000,000
China 889,000 12,000 1,410,000,000
Congo 20,000 5,300 5,000,000
DPR Korea 131,000 170 25,000,000
DP Congo 262,000 20,000 81,000,000
Ethiopia 172,000 12,000 105,000,000
India 2,740,000 86,000 1,340,000,000
Indonesia 842,000 36,000 264,000,000
Kenya 158,000 45,000 50,000,000
Lesotho 15,000 11,000 2,000,000
Liberia 15,000 2,200 5,000,000
Mozambique 163,000 66,000 30,000,000
Myanmar 191,000 17,000 53,000,000
Namibia 11,000 3,900 3,000,000
Nigeria 418,000 58,000 191,000,000
Pakistan 525,000 7,300 197,000,000
Papua New Guinea 36,000 3,500 8,000,000
Philippines 581,000 7,100 105,000,000
Russian Federation 86,000 18,000 144,000,000
Sierra Leone 23,000 2,800 8,000
South Africa 322,000 193,000 57,000,000
Thailand 108,000 11,000 69,000,000
UR Tanzania 154,000 48,000 57,000,000
Viet Nam 124,000 4,500 96,000,000
Zambia 62,000 36,000 17,000,000
Zimbabwe 37,000 23,000 17,000,000
Total for High Burden Countries 8,720,000 766,000 4,760,000,000

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Major Sources for TB Statistics