The United Nations General Assembly declared 21 March World Down Syndrome Day (WDSD) in December 2011.

On this day, people with Down syndrome and those who live and work with them throughout the world organise and participate in activities and events to raise public awareness and create a single global voice for advocating for the rights, inclusion and well being of people with Down syndrome.

Down Syndrome International organised the first WDSD Conference at United Nations HQ in New York, United States in March 2012. The WDSD Conference has become an annual event in the UN calendar. 

The WDSD Conference is an international conference held on or as close as possible to World Down Syndrome Day each year, organised by Down Syndrome International and sponsored by Permanent Missions of UN Member States and international agencies and non-governmental organisations.

Speakers at the conference comprise a wide cross section from countries around the world and include professionals, advocates and self-advocates.


The WDSD website, which we manage, is a hub of activity taking place around 21 March each year.

Visit the WDSD website

Visit WDSD shop (order by 4 March for guaranteed delivery before WDSD)


Here's what we do for WDSD...

A call to action each year, based on a theme and with resources, to help you advocate for the rights of people with Down syndrome on 21 March.
We provide a global hub for WDSD world events on the website and on Facebook.
We organise the WDSD Conference at United Nations HQ in New York and a side event to the Human Rights Council at the UN in Geneva.
We coordinate the #lotsofsocks campaign. People all over the world wear socks, t-shirts or brightly coloured clothing to draw attention to 21 March. You can even buy official items from our shop!
We organise a global video sharing event, with people and organisations around the world taking part.
We run dedicated WDSD Facebook, Twitter and Instagram accounts. #worlddownsyndromeday
We give out WDSD Awards in the year before the next World Down Syndrome Congress.

Visit the WDSD website

Visit WDSD shop (order by 4 March for guaranteed delivery before WDSD)