Persons 18-34 historical universe estimates chart
| Season | Share | Population | Change |
|---|
| 2023-2024 | 22.5% | 70,820,000 | +1.24% |
| 2022-2023 | 22.4% | 69,950,000 | -0.46% |
| 2021-2022 | 22.6% | 70,270,000 | +0.54% |
| 2020-2021 | 22.7% | 69,890,000 | -0.24% |
| 2019-2020 | 22.8% | 70,060,000 | +0.40% |
| 2018-2019 | 22.9% | 69,780,000 | +0.20% |
| 2017-2018 | 22.9% | 69,640,000 | +0.51% |
| 2016-2017 | 23.0% | 69,290,000 | +1.70% |
| 2015-2016 | 23.0% | 68,130,000 | +0.25% |
| 2014-2015 | 23.0% | 67,960,000 | +0.49% |
| 2013-2014 | 23.0% | 67,630,000 | +1.29% |
| 2012-2013 | 23.1% | 66,770,000 | -1.21% |
| 2011-2012 | 23.3% | 67,590,000 | -1.56% |
| 2010-2011 | 23.3% | 68,660,000 | +0.57% |
| 2009-2010 | 23.4% | 68,270,000 | +0.15% |
| 2008-2009 | 23.5% | 68,170,000 | |