The data displays the percentage of the United States population with usage of prescription drugs within the past month between 1988 and 2014. In the period 2011-2014, 21.5% of the population under 18 years used prescription drugs.
Under 18 years | 20.5 | 23.8 | 24.7 | 24 | 21.5 |
18-44 years | 31.3 | 35.9 | 37.4 | 38.7 | 37.1 |
45-64 years | 54.8 | 64.1 | 65.2 | 66.2 | 69 |
65 years and over | 73.6 | 84.7 | 89.4 | 89.7 | 90.6 |