Original question: From what you have read or heard, do you personally think certain vaccines do – or do not -- cause autism in children, or are you unsure? Figures may not equal 100 percent due to rounding.
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Share of people who believed vaccinations cause autism in the U.S. 2024, by party
As of July 2024, almost ** percent of Republicans and * percent of Democrats surveyed in the United States believed that certain vaccines cause autism. Meanwhile, a majority of Democrats were of the opinion that vaccines are not a cause of autism, and a majority of Republicans were unsure.
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Gallup. (August 6, 2024). Distribution of people who believed vaccinations cause autism in the United States as of July 2024, by party ID [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/1468673/belief-in-vaccines-causing-autism-us-by-party-id/
Gallup. "Distribution of people who believed vaccinations cause autism in the United States as of July 2024, by party ID." Chart. August 6, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/1468673/belief-in-vaccines-causing-autism-us-by-party-id/
Gallup. (2024). Distribution of people who believed vaccinations cause autism in the United States as of July 2024, by party ID. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/1468673/belief-in-vaccines-causing-autism-us-by-party-id/
Gallup. "Distribution of People Who Believed Vaccinations Cause Autism in The United States as of July 2024, by Party Id." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 6 Aug 2024, /statistics/1468673/belief-in-vaccines-causing-autism-us-by-party-id/
Gallup, Distribution of people who believed vaccinations cause autism in the United States as of July 2024, by party ID ÌÇÐÄÆƽâ°æ, /statistics/1468673/belief-in-vaccines-causing-autism-us-by-party-id/ (last visited July 21, 2026)
Distribution of people who believed vaccinations cause autism in the United States as of July 2024, by party ID [Graph], Gallup, August 6, 2024. [Online]. Available: /statistics/1468673/belief-in-vaccines-causing-autism-us-by-party-id/
