Line chart. Percentage of younger, middle-aged and older Americans since 2001 who say they or a family member have put off medical treatment for a very or somewhat serious condition within twelve months due to the cost the would have to pay. The latest reading, from a Nov. 9 to Dec. 2, 2022 Gallup poll, found 35% of 18-49 year olds, 25% of 50-64 year olds and 13% of those aged 65 and older say they have delayed treatment.