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Location: Arizona
Topic: Trisomy 21 (Down syndrome) by race/ethnicity
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Trisomy 21 (Down syndrome) by race/ethnicity: Arizona, 2011-2015 Average

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• During 2011-2015 (average) in Arizona, Trisomy 21 (Down syndrome) was highest for American Indian infants (16.5 in 10,000 live births), followed by Asians (16.0 in 10,000 live births), whites (14.1 in 10,000 live births), blacks (13.8 in 10,000 live births) and Hispanics (12.7 in 10,000 live births). 
• During 2011-2015 (average) in Arizona, 13.6 in 10,000 live births were born with Trisomy 21 (Down syndrome). 


  • For more information on case definitions, surveillance methods and case assertainment which vary by state, refer to the National Birth Defects Prevention Network Birth Defects Data and Directory.
  • Total includes other and unknown race/ethnicity. All race categories exclude Hispanic. Race/ethnicity data reflect the race/ethnicity of the mother.
  • Data for conditions include live births and fetal deaths.
  • Data for 2015 are provisional.
  • Data for conditions exclude possible cases.


  • National Birth Defects Prevention Network (NBDPN)
  • Retrieved September 15, 2019, from