Purpose
View national and state-level school vaccination coverage and exemption estimates using interactive maps, trend lines, bar charts and data tables. Data collection methodology differs by state.
New findings on vaccination coverage and exemptions among kindergartners (2023-2024 school year)
Vaccination coverage and exemption estimates among kindergartners in the U.S. are based on data reported to CDC annually by states and the District of Columbia (DC).
Vaccination Coverage
- During the 2023-2024 school year, vaccination coverage among kindergartners in the U.S. decreased for all reported vaccines from the year before, ranging from 92.3% for diphtheria, tetanus, and acellular pertussis vaccine (DTaP) to 92.7% for measles, mumps, and rubella vaccine (MMR).
- Coverage with MMR, DTaP, poliovirus vaccine (polio), and varicella vaccine (VAR) decreased in more than 30 states, compared with coverage the year before.
- The number of kindergartners attending school without documentation of completing the MMR vaccine series was about 280,000 during the 2023-2024 school year (Table).
Exemptions
- During the 2023-2024 school year, exemptions from one or more vaccines among kindergartners in the U.S. increased to 3.3% from 3.0% the year before.
- Exemptions increased in 40 states and DC, with 14 states reporting exemptions exceeding 5%.
- The number of kindergartners exempt from one or more vaccines was about 127,000 during the 2023-2024 school year (Table).
See additional data on measles cases in 2024 in the United States: Measles Cases and Outbreaks | CDC.