World Down Syndrome Day

Category: Medical
World Down Syndrome Day around the world in 2025
Image by Nathan Anderson , from Unsplash. CC0

About World Down Syndrome Day

How long until World Down Syndrome Day?
World Down Syndrome Day .
Dates of World Down Syndrome Day
2025 InternationalMar 21
International Fri, Mar 21Observances Holiday
2024 InternationalMar 21
International Thu, Mar 21Observances Holiday
2023 InternationalMar 21
International Tue, Mar 21Observances Holiday
2022 InternationalMar 21
International Mon, Mar 21Observances Holiday
2021 InternationalMar 21
International Sun, Mar 21Observances Holiday
Summary
Find out the dates, history and traditions of World Down Syndrome Day

World Down Syndrome Day (WDSD), March 21st, is a global awareness day that has been officially observed by the United Nations since 2012.

March 21st was selected to signify the uniqueness of the triplication of the chromosome which causes Down syndrome. People with Down syndrome have an extra chromosome (they have 3 copies of chromosome 21 - hence 21/3

Down Syndrome International (DSi) encourages people all over the world to choose their own activities and events on WDSD to help raise awareness of what Down syndrome is, what it means to have Down syndrome, and how people with Down syndrome play a vital role in our lives and communities.

Find out more

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