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HIV Prevalence

Map No.

96

HIV, or Human Immunodeficiency Virus Infection, attacks the immune system. It eventually causes AIDS, which stands for Acquired Immune Deficiency Syndrome. With cases first recognised in the United States in 1981, AIDS increases the risk of many infections and tumours.

In 2013, the highest HIV prevalence was Swaziland, where 27%, or almost 3 in every 10 people aged 15 to 49 years, were HIV positive. All ten territories with the highest prevalence of HIV are in Central and Southeastern Africa. The highest absolute number of people with HIV live in South Africa, followed by Nigeria and India.

Transmission of HIV is through sex, using infected needles and in the womb. Infected children are not shown here. HIV/AIDS often has an acquired social stigma.

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Technical Notes

This map shows the proportion of all people aged 15-49 with HIV (Human Immunodeficiency Virus) worldwide, living there in 2013.

Data sources
This map uses data by WHO Global Health Observatory published in the Human Development Report. Additional estimates based on UN Population Prospects population data, UNAIDS  and Worldmapper estimates (archive map 227). (last accessed March 2018). We aim to map as complete data as possible and therefore estimate data for missing values. In some cases, missing data for very small territories is not used in the cartogram and that area is therefore omitted in the map.

Further notes on the data, as well as all modifications to the original data source are noted in our data sheets.

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