Since 2019, Republicans and Democrats have diverged in their views of the MMR vaccine | Pew Research Center

November 14, 2025

How Do Americans View Childhood Vaccines, Vaccine Research and Policy?

Since 2019, Republicans and Democrats have diverged in their views of the MMR vaccine

Since 2019, Republicans and Democrats have diverged in their views of the MMR vaccine

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Since 2019, Republicans and Democrats have diverged in their views of the MMR vaccine

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How Do Americans View Childhood Vaccines, Vaccine Research and Policy?
Majority of Americans are confident that childhood vaccines are highly effective against serious illness
Confidence in childhood vaccine effectiveness and safety
Higher confidence in childhood vaccines among older Americans and those with more education
84% of Americans say the benefits of the MMR vaccine outweigh the risks
Since 2019, Republicans and Democrats have diverged in their views of the MMR vaccine
Republican support for public school MMR vaccine requirements continues to slide
Views of what influences medical scientists’ childhood vaccine research findings differs by party
73% of U.S. adults say scientists should have a major role in policy decisions about childhood vaccines
Far more Republicans than Democrats say parents with young children should have a major role in policy decisions about childhood vaccines
About two-thirds of Americans say childhood vaccines help protect both vaccinated children and the local community from serious illness