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World AIDS Day - December 1, the WHO observance on HIV awareness

World AIDS Day on December 1 is the WHO annual observance of HIV prevention, treatment, and stigma reduction. Established by the World Health Organization in 1988, it is one of the longest-running international health awareness days. Not a public holiday.

UN

International observancePublished October 14, 2026

At a glanceInternational observance
Observed in
UN
When
December
Frequency
Same date every year
Type
Days off
Varies by country
Public status
Varies by country; consult local government gazette
Last reviewed: October 14, 2026
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World AIDS Day on December 1 is the World Health Organization annual observance of HIV prevention, treatment, and stigma reduction. Established in 1988, it is one of the longest-running international health awareness days and the first global health day ever established for any disease.

The one-line summary

WHO international observance on December 1 focused on HIV/AIDS awareness, prevention, treatment, and stigma reduction. Established 1988 - the first global health day ever. Not a public holiday.

39.9Mpeople globally living with HIV at the end of 2023 (UNAIDS)
UNAIDS 2024New HIV infections have fallen 39% globally since 2010, but 1.3 million people were newly infected in 2023. Sub-Saharan Africa accounts for two-thirds of people living with HIV.

Origin and history

World AIDS Day was established by the World Health Organization (WHO) and the United Nations in 1988. It was the first global health day ever established for any specific disease, predating World Tuberculosis Day (1998), World Malaria Day (2007), and World Hepatitis Day (2010). The date of December 1 was chosen to maximize media coverage during the period between the 1988 US presidential election and the Christmas holiday season, and to ensure visibility at the start of the holiday season.

UNAIDS (the Joint United Nations Programme on HIV/AIDS) was established in 1996 and has coordinated World AIDS Day since then. The day brings together UN agencies, governments, NGOs, healthcare providers, and people living with HIV for awareness events, fundraising, and policy advocacy.

Epidemic context

UNAIDS estimates that approximately 39 million people worldwide were living with HIV at the end of 2023, with the majority in sub-Saharan Africa. New HIV infections have declined by approximately 60% from the 1995 peak of about 3.5 million per year to about 1.3 million per year in 2023. AIDS-related deaths have fallen by about 70% from the 2004 peak of 2.0 million to about 630,000 in 2023, largely due to the expansion of antiretroviral therapy (ART) to approximately 30 million people living with HIV globally.

Despite progress, HIV/AIDS remains a major global health challenge. Stigma and discrimination continue to be significant barriers to testing, treatment, and disclosure. Key populations - including men who have sex with men, sex workers, transgender people, and people who inject drugs - account for a disproportionate share of new infections and often face legal and social barriers to accessing prevention and treatment services.

Recurring themes

World AIDS Day has an annual theme, typically announced by UNAIDS in the months leading up to December 1. Recent themes have focused on communities, ending inequalities, and putting people first. The 2024-2025 theme was "Take the rights path" emphasizing human rights as a foundation for HIV response. The 2026 theme has not been confirmed as of this brief publication but follows the same annual rotation.

Distinctions and related awareness days

World AIDS Day (December 1) is distinct from HIV Vaccine Awareness Day (May 18) and from the International AIDS Conference, which is held every two years in a rotating host city (Munich 2024, Montreal 2022, Kigali 2019). World AIDS Day is the only annual calendar day anchored on the HIV/AIDS pandemic; HIV Vaccine Awareness Day is more narrowly focused on scientific progress toward a vaccine. Both are UNAIDS- and NIH-coordinated. World Hepatitis Day (July 28) and World Tuberculosis Day (March 24) follow similar awareness-day templates for other communicable diseases.

The Red Ribbon - the global symbol for HIV/AIDS solidarity - was created in 1991 by Visual AIDS, a New York arts collective, and first publicly displayed at the 1991 Tony Awards ceremony on Broadway. Red was chosen because of its association with passion and the blood tied to the disease, and in deliberate contrast to the pink ribbon for breast cancer awareness that had launched the year before. The red ribbon is now the standard symbol of HIV/AIDS awareness and is worn on December 1 worldwide; many national landmarks are floodlit red on the day.

Legal status

World AIDS Day is an international observance, not a public holiday. Government offices, banks, schools, and most businesses operate normally on December 1. The day is marked by WHO and UNAIDS events and country-level campaigns. Some governments host public events or make official proclamations but the day is not a closed-day observance.

How it is observed

World AIDS Day is marked by UNAIDS events in Geneva and around the world, country-level campaigns by national AIDS programmes and health ministries, NGO-led awareness campaigns, school and workplace educational programming, free HIV testing events at clinics and community organizations, the illumination of landmarks in red (the Red Ribbon color), media coverage, and the annual UNAIDS World AIDS Day report.

World AIDS Day by the numbers

39Mpeople worldwide living with HIV at the end of 2023 (UNAIDS)
1.3Mnew HIV infections globally in 2023, down from 3.5M peak in 1995
630KAIDS-related deaths in 2023, down from 2.0M peak in 2004
1988year WHO established World AIDS Day (first global health day ever)

Sources

Frequently asked questions

When is World AIDS Day 2026?

Tuesday, December 1, 2026. World AIDS Day is observed on the same calendar date every year - December 1. The date was established by the WHO and the UN in 1988.

Who established World AIDS Day?

World AIDS Day was established by the World Health Organization (WHO) and the United Nations in 1988 to raise awareness of HIV/AIDS, support people living with HIV, and commemorate those who have died from AIDS-related illnesses. It was the first-ever global health day established for any disease.

Is World AIDS Day a public holiday?

No. World AIDS Day is an international observance, not a public holiday. Government offices, banks, schools, and most businesses operate normally on December 1. The day is marked by WHO and UNAIDS events, NGO awareness campaigns, and the iconic red ribbon.

What is the current state of the HIV/AIDS epidemic?

According to UNAIDS, approximately 39 million people worldwide were living with HIV in 2023. New infections have declined by about 60% from the 1995 peak, but progress has slowed since 2010. Sub-Saharan Africa remains the most affected region, accounting for more than two-thirds of people living with HIV globally.

How is World AIDS Day observed?

World AIDS Day is marked by WHO and UNAIDS events in Geneva and around the world, country-level campaigns by national AIDS programmes, NGO-led awareness campaigns, school and workplace educational programming, free HIV testing events, the illumination of landmarks in red (the Red Ribbon color), and the annual UNAIDS World AIDS Day report.

What is the red ribbon?

The red ribbon is the international symbol of HIV/AIDS awareness, first used in 1991 by Visual AIDS, a New York arts organization. The red color symbolizes solidarity with people living with HIV and was chosen for its visual association with passion and the heart.

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