World Down Syndrome Day: 3.21

On March 21, 2026 we celebrate World Down Syndrome Day! This is a day to celebrate Down syndrome and raise awareness. There are many ways to get involved with the National Down Syndrome Society (NDSS) on World Down Syndrome Day (WDSD). Learn more about NDSS and WDSD. NDSS is proud to be a collaborator with Down Syndrome International to support WDSD!

Use #WorldDownSyndromeDay to post on social media, and don’t forget to tag NDSS on Facebook, Instagram, X, TikTok, and LinkedIn so we can share your post.

How to get involved:

Start a Fundraiser

Start a fundraiser on Facebook

Create a fundraiser for NDSS on your personal Facebook page to celebrate WDSD. Click on select nonprofit and search for "National Down Syndrome Society" to start fundraising for NDSS today!

Racing for 3.21

Register

Join NDSS for this virtual event that challenges participants to run, walk, or take on any other type of movement for 3.21 miles or minutes in celebration of WDSD! You can also participate in Racing For 3.21 with your classroom.

World Down Syndrome Day Toolkits

We've created toolkits for you to reference if you're looking for ways to get involved on World Down Syndrome Day! Check out our WDSD toolkit that's perfect for anyone and our WDSD toolkits specially curated for educators, employers, healthcare workers, and NDSS affiliates. We also have a bonus classroom toolkit plus a WDSD Coloring Book for anyone to use!

Send a WDSD E-Card

Send E-Card

Make a donation to NDSS and send an e-card to celebrate WDSD. Make sure to check "Dedicate my donation in honor or in memory of someone" when checking out.

Give Today

Donate

By making a gift today, you are helping advance our mission to empower individuals with Down syndrome and their families by driving policy change, providing resources, engaging with local communities, and shifting public perceptions.

Newsletter

Sign up for our newsletter

Stay up-to-date on all things NDSS year-round!