States that Vaccinate the Most (2026)

from WalletHub Sep 9, 2026

Vaccinations are some of the most valuable contributions to modern medicine. They have drastically reduced the prevalence of certain diseases, including polio, tetanus, measles and chickenpox. One disease, smallpox, has even been eradicated completely, with no natural cases since 1977. Most recently, we developed vaccines for COVID-19, which drastically cut down cases and deaths, allowing the country to get back to normal.

Vaccines are most effective when a large portion of the population gets them, so it’s important to make sure people are educated about the importance of vaccines and how much good they have done for public health. The World Health Organization (WHO) estimates that vaccines prevent around 3.5 to 5 million deaths per year. Vaccines are also very safe. According to the WHO, more serious side effects from vaccines are extremely rare, and investigations into reported adverse events rarely determine that the vaccine itself was the cause.

In order to see where people are most responsible about getting vaccines, WalletHub examined the 50 states and the District of Columbia across 16 key metrics. Our data set ranges from the rates of children, teens and adults vaccinated against various diseases to the share of people without health insurance.

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