The fact sheets linked below share estimates of the numbers of babies born and people living with Down syndrome in the United States and Europe.
Last updated May 3, 2024.
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As of 2018, it is estimated that 1 in 775 liveborn babies has Down syndrome (13.2 per 10,000).
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In 2018, the population of people with Down syndrome in the United States was estimated to be 220,186.
Last updated November 9, 2022.
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For the years 2011-2015, it is estimated that 1 in 990 liveborn babies had Down syndrome (10.1 per 10,000).
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In 2015, the population of people with Down syndrome in Europe was estimated to be about 419,000 with about 260,000 being adults (age 20 and older).
Last updated December 2, 2022.
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For the years 2016-2020, it is estimated that 1 in 1,158 liveborn babies had Down syndrome (8.6 per 10,000).
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In 2020, the population of people with Down syndrome living in Australia was estimated to be about 13,426.
Last updated December 24, 2022.
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For the years 2016-2020, it is estimated that 1 in 1,450 liveborn babies had Down syndrome (6.9 per 10,000).
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In 2020, the population of people with Down syndrome living in New Zealand was estimated to be about 3,065.