Conor Stewart
Research expert covering health & pharmaceuticals in the UK & Europe
Get in touch with us now| Characteristic | Number of people in thousands |
|---|---|
| 2009 | 16,826 |
| 2010 | 17,409 |
| 2011 | 18,071 |
| 2012 | 18,855 |
| 2013 | 19,810 |
| 2014 | 22,188 |
| 2015 | 22,226 |
| 2016 | 23,981 |
| 2017 | 25,997 |
| 2018 | 27,667 |
| 2019 | 31,606 |
| 2020 | 32,784 |
| 2021* | 36,950 |
| 2022* | 42,317 |
| 2023 | 43,647 |
| 2024 | 44,266 |
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Source
Sources
Release date
August 2025
More information
Region
North America, United States
Survey time period
2009 to 2024
Number of respondents
67,679 respondents
Age group
12 years and older
Method of interview
Questionnaire
Supplementary notes
* Due to methodological changes in 2021 and 2022, caution should be used when comparing figures for 2021 and 2022 with previous years. Please see source for further information on methodology.
Figures from 2014 to 2020 were taken from the previous year's report. The difference between the 2021 estimate and the 2022 estimate is statistically significant at the .01 level. Rounding may make the estimates appear identical.
Figures from 2009 to 2013 were taken from the
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