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 offered HIV counseling and testing with return of results, collected information about household and individual characteristics and uptake of HIV care and treatment services.

The survey team visited over 15,000 households and interviewed over 31,000 women and men (15 years and older) to collect this information.

The preliminary results were announced in December 2017 and the final report was released in April 2019.



Key Findings

HIV incidence among adults 15-64 years: 0.25%
HIV prevalence among adults 15-64 years: 5.0%
HIV prevalence among children 0-14 years:0.4%
Viral load suppression among adults 15-64 years living with HIV:52.0%
90-90-90 among adults living with HIV 15 years and older:60.6% of adults living with HIV know their status;
93.6% of those individuals self-report being on anti-retroviral therapy (ART);
87.0% of those who report being on ART have viral load suppression.


Tanzania Final Report


Tanzania Summary Sheet

Slides with Figures and Maps

THIS Video


THIS in the News

THIS Music Video


Devdiscourse: Tanzania's Progress in Fighting against HIV/AIDS Hailed in NBS' Report

The survey conducted in both Tanzanian mainland and Zanzibar showed that disease prevalence varied across 31 regions, ranging from 0.0 percent in Zanzibar South and North Pemba to 11.3 in Iringa and 11.4 in Njombe.


Xinhua Net: Tanzania Making Progress in Fight against HIV/AIDS

At the launch of the THIS report, the Minister of State of Parliament, Policy Coordination, Labour, Employment, Youth and the Disabled, Jenista Mhagama, urged all stakeholders to use the report in the war against HIV/AIDS.


All Africa: Tanzania: Majority People with HIV Infection Unaware of Status

Only 60.6% of people living with HIV are aware of their status, according to the 2016-2017 Tanzania HIV Impact Survey (THIS) findings, well below the UNAIDS 90-90-90 treatment for all target of 90%.


IPP Media: Tanzania Making Progress in HIV/AIDS War

The report reveals that the number of new infections has declined from 80,000 people year in 2012 to 72,000 people in 2017 while deaths have diminished from 70,000 per year in 2010 to 32,000 in 2017.


Daily News Tanzania: NACOPHA Nods to HIV Impact Survey in National AIDS Control 

Tanzania's National Council of People living with HIV and AIDS (NACOPHA) has described the report on Tanzania's HIV Impact Survey (THIS) as vital in attaining ambitious testing and treatment targets to end AIDS epidemic.


MENA FN: Tanzania in Progress Dealing with HIV

A report by the National Bureau of Statistics said Tanzania has made progress towards achieving the 90-90-90 targets of The Joint United Nations Programme on HIV/AIDS (UNAIDS) in adults 15 years and older.