During the 2024-25 school year, coverage for measles, mumps, and rubella (MMR), diphtheria, tetanus, and pertussis (DTaP), polio, and varicella vaccines decreased among kindergartners. MMR vaccination coverage was just 92.5%, well below the 95% threshold needed to prevent transmission of measles virus. State-level coverage for MMR vaccines varied, ranging from 78.5% in Idaho to 98.2% in Connecticut, and only 10 states had coverage above 95%. These immunization gaps have led to measles outbreaks in multiple states and the highest number of measles cases since the disease was declared eliminated in the U.S. in 2000.
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U.S. childhood vaccination rates (kindergarteners)

Polio: 92.5%
MMR (Measles, Mumps, Rubella): 92.5%
DTaP (Diphtheria, Tetanus, Pertussis): 92.1%
Chickenpox (Varicella): 92.1%
Hib (Haemophilus influenzae type b): 80.0% (primary series + booster)
Hepatitis B: 91.4% (3+ doses)
Pneumococcal conjugate vaccine (PCV): 81.4% (4+ doses)
Combined 7-vaccine series: 69.7%

Trends

Kindergarten vaccination coverage has decreased for all routine vaccines since the 2019-2020 school year.

The overall coverage for the combined 7-vaccine series is lower than for individual vaccines.
Non-medical exemptions for vaccines have reached an all-time high of 3.4% among kindergartners, which is associated with lower vaccination coverage, notes the Johns Hopkins Bloomberg School of Public Health.
In the U.S., approximately 286,000 kindergarteners were unvaccinated against measles as of the 2024-2025 school year. Any questions,