A 2025 Pew Research Center analysis found educational and age differences in confidence: about three-quarters of parents with a postgraduate degree were extremely or very confident in childhood vaccine effectiveness compared with 44% of parents with a high school education or less; and 50% of parents ages 18–29 were extremely or very confident in vaccine effectiveness versus 67% of parents ages 50 and older.
November 18, 2025
high
statistical
Survey findings showing variation in parental confidence by education level and age.