Original question: How much have you, personally, heard about the possible disadvantages of vaccinations for children -- a great deal, fair amount, only a little, or nothing at all?
Figures may not equal 100 percent due to rounding.
Citation formats
U.S. adults who heard a lot about the disadvantages of child vaccinations 2001-2019
This statistic shows the percentage of U.S. adults in 2001, 2015, and 2019 who had heard a great deal about the possible disadvantages of vaccinations for children. In 2001, only 15 percent of respondents had heard a great deal about the possible disadvantages of vaccinations for children, however this number was 39 percent in 2019.
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Gallup. (January 14, 2020). Percentage of U.S. adults who had heard a great deal about the possible disadvantages of vaccinations for children in 2001, 2015, and 2019 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/668424/how-much-have-you-heard-about-childhood-vaccination-disadvantages/
Gallup. "Percentage of U.S. adults who had heard a great deal about the possible disadvantages of vaccinations for children in 2001, 2015, and 2019." Chart. January 14, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/668424/how-much-have-you-heard-about-childhood-vaccination-disadvantages/
Gallup. (2020). Percentage of U.S. adults who had heard a great deal about the possible disadvantages of vaccinations for children in 2001, 2015, and 2019. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/668424/how-much-have-you-heard-about-childhood-vaccination-disadvantages/
Gallup. "Percentage of U.S. Adults Who Had Heard a Great Deal about The Possible Disadvantages of Vaccinations for Children in 2001, 2015, and 2019." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 14 Jan 2020, /statistics/668424/how-much-have-you-heard-about-childhood-vaccination-disadvantages/
Gallup, Percentage of U.S. adults who had heard a great deal about the possible disadvantages of vaccinations for children in 2001, 2015, and 2019 ÌÇÐÄÆƽâ°æ, /statistics/668424/how-much-have-you-heard-about-childhood-vaccination-disadvantages/ (last visited July 31, 2026)
Percentage of U.S. adults who had heard a great deal about the possible disadvantages of vaccinations for children in 2001, 2015, and 2019 [Graph], Gallup, January 14, 2020. [Online]. Available: /statistics/668424/how-much-have-you-heard-about-childhood-vaccination-disadvantages/
