Global data · updated daily
AIDS Portal

Accurate, judgment-free HIV and AIDS information — for everyone, every day.

Today in the numbers
39.9 million people are living with HIV worldwide
New infections1.3 million
Know their status86%
On treatment77%
Fig. 1 · Regional prevalence ▢ choropleth
N. AMERICA S. AM. EUROPE AFRICA ASIA OCEANIA
Global distribution of people living with HIV by region, based on the latest UNAIDS epidemiological estimates.
Countdown
World AIDS Day
1 December
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U = U

People with HIV who take treatment as prescribed and maintain an undetectable viral load cannot pass HIV to sexual partners — Undetectable equals Untransmittable.

The Lead · HIV Basics

Getting Tested

Knowing your status is the first step toward treatment and prevention — here's what to expect from modern HIV testing, from rapid finger-prick checks to at-home kits.

By the AIDS Portal team · HIV Basics · 6 min read
Bar chart: new HIV infections worldwide, 2010 to 2023
New HIV infections worldwide have fallen by roughly 38% since 2010, according to UNAIDS.
From HIV Basics
Guide

HIV FAQ

Answers to the questions people ask most often about HIV, from how it's transmitted to what a diagnosis means for daily life.

By the AIDS Portal team · HIV Basics · 5 min read
30.7 millionpeople accessing antiretroviral therapy worldwide
Data explainer

HIV Facts

From Treatment & Advocacy
A person collecting their daily antiretroviral medication at a clinic pharmacy window, warm natural light Treatment

Understanding ART

Antiretroviral therapy has turned HIV into a manageable, long-term condition — here's how the medication works and why consistent adherence matters.

By the AIDS Portal team · Treatment · 7 min read
A sunlit kitchen table with two mugs and an open notebook by a window Voices

Tips & Advice

Practical, lived-experience guidance on adjusting to a diagnosis, talking to loved ones, and building routines that make daily life easier.

By the AIDS Portal team · Advocacy · 5 min read
Community volunteers setting up a red-ribbon awareness event in a town square Advocacy

Awareness Events

From World AIDS Day to local testing drives, awareness events keep communities informed, connected, and engaged in prevention efforts.

Advocacy · updated regularly
Prevention

Transmission

How HIV is and isn't passed between people, and how tools like PrEP and PEP add extra layers of protection alongside condoms and regular testing.

By the AIDS Portal team · HIV Basics · 6 min read
Living well

Modern Treatments

Today's HIV medications are simpler and gentler than earlier generations — a look at how treatment has evolved alongside diet, exercise, and overall wellbeing.

By the AIDS Portal team · Treatment · 6 min read
Myths

Virus Origins

Separating the well-documented science of how HIV emerged from the myths and conspiracy theories that still circulate today.

By the AIDS Portal team · HIV Basics · 6 min read

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We work with public health organizations and community groups worldwide.