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The Tanzania HIV Impact Survey (THIS), a household-based national survey, was conducted between October 2016 and August 2017 to measure the status of Tanzania’s national HIV Response.

THIS 2016-2017 offered HIV counseling and testing with return of results. The survey team visited over 15,000 households to collect this information. Details on results can be found below.

A second THIS survey, called THIS 2022-2023, was conducted between November 2022 and March 2023. The survey team interviewed approximately 36,000 people 15 years and older. THIS 2022-2023 Summary sheet findings can be found below.

THIS 2022-2023: Key Findings*


Annual HIV incidence among adults


HIV prevalence among adults


Viral load suppression among adults living with HIV*

95-95-95 among adults living with HIV

Adults living with HIV who knew their HIV status


Adults who were aware of their HIV status who were on ART


Adults who were on ART who had viral load suppression

*THIS 2016-2017 Summary Sheet and Final Report, as well as related reports and publications, can be found below.

Related Resources

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Tanzania HIV Impact Survey

(THIS) Music Video

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