As of May 2021, roughly half of adults aged 18-39 were vaccinated against COVID-19 or were definitely planning to get vaccinated, regardless of age group. Those aged 30-34 were most likely to be or plan to get vaccinated, while the oldest group, those 35-39 years, were most likely to state they probably or definitely will not get vaccinated.
This statistic illustrates the percentage of adults 18-39 years who were, would, or would not get vaccinated against COVID-19 in the United States from March-May 2021, by age group.
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MMWR, & CDC. (June 25, 2021). Percentage of adults 18-39 years who were, would, or would not get vaccinated against COVID-19 in the United States from March-May 2021, by age group [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1251202/us-covid19-vaccination-and-intent-among-younger-adults-by-age/
MMWR, und CDC. "Percentage of adults 18-39 years who were, would, or would not get vaccinated against COVID-19 in the United States from March-May 2021, by age group." Chart. June 25, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1251202/us-covid19-vaccination-and-intent-among-younger-adults-by-age/
MMWR, CDC. (2021). Percentage of adults 18-39 years who were, would, or would not get vaccinated against COVID-19 in the United States from March-May 2021, by age group. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1251202/us-covid19-vaccination-and-intent-among-younger-adults-by-age/
MMWR, and CDC. "Percentage of Adults 18-39 Years Who Were, Would, or Would Not Get Vaccinated against Covid-19 in The United States from March-may 2021, by Age Group." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Jun 2021, /statistics/1251202/us-covid19-vaccination-and-intent-among-younger-adults-by-age/
MMWR & CDC, Percentage of adults 18-39 years who were, would, or would not get vaccinated against COVID-19 in the United States from March-May 2021, by age group ÌÇÐÄÆƽâ°æ, /statistics/1251202/us-covid19-vaccination-and-intent-among-younger-adults-by-age/ (last visited July 31, 2026)
Percentage of adults 18-39 years who were, would, or would not get vaccinated against COVID-19 in the United States from March-May 2021, by age group [Graph], MMWR, & CDC, June 25, 2021. [Online]. Available: /statistics/1251202/us-covid19-vaccination-and-intent-among-younger-adults-by-age/
