The old saying “What gets measured gets done” may be a cliché, but is still very true for the response to HIV. Over the years, a detailed understanding of the HIV epidemic has emerged through the collection, analysis and dissemination of data, helping programmes to reach the right people in the right place and at the right time. Having high-quality data on the AIDS response has enabled ambitious, measurable and time-bound targets to be set for tracking progress and ensuring accountability.

Today, we are at the cusp of eliminating new HIV infections among children—a movement led by women. More women are accessing antiretroviral therapy than men, transferring the benefits of their good health to their families and economies. When young women are empowered and have their rights fulfilled, HIV prevalence falls, there are fewer unintended pregnancies, fewer maternal deaths and fewer dropouts from school and more women join the workforce. When young women have access to education, health outcomes dramatically improve.

The indicators and questions in this document are designed for use by national AIDS programmes and partners to assess the state of a country’s HIV and AIDS response, and to measure progress towards achieving national HIV targets. Countries are encouraged to integrate these indicators and questions into their ongoing monitoring efforts and to report comprehensive national data through the Global AIDS Monitoring (GAM) process. In this way they will contribute to improving understanding of the global response to the HIV epidemic, including progress that has been made towards achieving the commitments and global targets set out in the new United Nations Political Declaration on HIV and AIDS: Ending Inequalities and Getting on Track to End AIDS by 2030, adopted in June 2021, and the linked Sustainable Development Goals.

A triangulation of data to verify the UNAIDS global estimate of people accessing antiretroviral therapy at the end of 2015

Quarter for HIV Prevention (#quarter4HIVprevention) is a campaign to recapture imagination and hope for HIV prevention. It provides prevention choices for people at risk, and—most importantly—protects them from HIV infection. Most importantly, it leaves no one behind. Let us invest in HIV prevention; let us get to zero new HIV infections.

In this report, UNAIDS is announcing that 18.2 million people now have access to HIV treatment. The Fast-Track response is working. Increasing treatment coverage is reducing AIDS-related deaths among adults and children. But the life-cycle approach has to include more than just treatment. Tuberculosis (TB) remains among the commonest causes of illness and death among people living with HIV of all ages, causing about one third of AIDS-related deaths in 2015. These deaths could and should have been prevented. Download slide deck

The UNAIDS 2016–2021 Strategy is a bold call to action to get on the Fast-Track and reach people being left behind. It is an urgent call to front-load investments. It is a call to reach the 90–90–90 treatment targets, to close the testing gap and to protect the health of the 22 million people living with HIV who are still not accessing treatment. It is a call to redress the deplorably low treatment coverage for children living with HIV.