Published.: March 21st, 2026
 

Every March 21st, the world observes World Down Syndrome Day, a date established by the United Nations to raise awareness about the importance of inclusion, respect, and equal opportunities for people with this genetic condition. The choice of the 21st day of the 3rd month symbolizes the triplication (trisomy) of chromosome 21. This day encourages society to recognize the abilities, talents, and contributions of people with Down syndrome, promoting accessible environments, inclusive education, and full participation in community life.

History

  • Origin of the observance:

    March 21 marks World Down Syndrome Day, officially established by the United Nations General Assembly in 2011 to raise public awareness about this genetic condition and to advocate for the rights, inclusion, and well-being of people with Down syndrome.

  • Meaning of the date:

    The selection of the 21st day of the 3rd month symbolizes the trisomy of chromosome 21, the genetic characteristic that causes Down syndrome. This date seeks to highlight the importance of equal opportunities, access to education, healthcare, and full participation in society.

  • Current relevance:

    Today, the observance promotes social inclusion, respect for diversity, and the removal of barriers that limit the development of people with disabilities. In many countries, educational campaigns, community activities, and awareness initiatives are carried out to recognize their abilities, talents, and contributions to society.

Labor legislation:

    Official date:

    Saturday, March 21, 2026.

    Type of observance:

    International observance promoted by the United Nations (UN).

    Holiday status:

    It is not a mandatory or non-mandatory paid public holiday under the Labor Code of Costa Rica.

    Institutional framework:

    The observance is promoted by international organizations, educational institutions, public entities, social organizations, and companies as part of initiatives related to inclusion, accessibility, and corporate social responsibility.

Regulatory context:

"March 21 is globally recognized as World Down Syndrome Day, aimed at promoting dignity, human rights, and the full inclusion of people with this genetic condition."

"This date is not established as a national public holiday in Costa Rica; therefore, work activities proceed as usual."

"Various institutions and organizations carry out awareness campaigns, inclusive education initiatives, and programs that promote equal opportunities."

Source: United Nations — World Down Syndrome Day

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World Down Syndrome Day