How will you show your support on 21 March?

Learn how loneliness impacts people with Down syndrome and how we can fight this together.
2026 ThemeFundraise to help the global Down syndrome network speak up for full inclusion of people with Down syndrome.
Fundraise21 March is World Down Syndrome Day!
It is a global awareness day which has been officially observed by the United Nations since 2012. Why? Because all around the world, people with Down syndrome are still denied their human rights.
Learn about World Down Syndrome DayAbout us
WDSD at the United Nations in New York!
Each year, Down Syndrome International hosts the World Down Syndrome Day Conference at the United Nations in New York. Self-advocates and other experts speak up about important human rights issues and what needs to change. You can attend the event in person or watch online. Details will be shared very soon!
Down Syndrome International is the global network of people with Down syndrome and their families.
Visit the Down Syndrome International website to learn about the work the network does to change the world for people with Down syndrome:
Visit the Down Syndrome International websiteWhat is Down syndrome?
Down syndrome (or Trisomy 21) is a naturally occurring chromosomal arrangement that has always been a part of the human condition.
The best people to answer many questions about Down syndrome are people with Down syndrome, so over to them…
Together Against Loneliness
Learn how loneliness impacts people with Down syndrome and how we can fight this together.
2026 ThemeYou are amazing!!
Fundraise to help the global Down syndrome network speak up for full inclusion of people with Down syndrome.
We are here to help you along the way:
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Sign up for updates, including new resources and activities to help you mark this important day and make a difference for people with Down syndrome around the world.
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