Historical universe estimates of the Persons 18-34 demographic among U.S. TV audience.
| 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 | -0.04% |
| 2012-2013 | 23.4% | 67,660,000 | +0.10% |
| 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 | +1.41% |
| 2007-2008 | 23.5% | 67,220,000 | +0.78% |
| 2006-2007 | 23.5% | 66,700,000 | +1.00% |
| 2005-2006 | 23.5% | 66,040,000 | +0.96% |
| 2004-2005 | 23.5% | 65,410,000 | +1.57% |
| 2003-2004 | 23.4% | 64,400,000 | -0.62% |
| 2002-2003 | 23.8% | 64,800,000 | +4.20% |
| 2001-2002 | 23.0% | 62,190,000 | +2.19% |
| 2000-2001 | 23.3% | 60,860,000 | -0.43% |
| 1999-2000 | 23.5% | 61,120,000 | -0.37% |
| 1998-1999 | 23.9% | 61,350,000 | -0.57% |
| 1997-1998 | 24.3% | 61,700,000 | -0.68% |
| 1996-1997 | 24.7% | 62,120,000 | -1.19% |
| 1995-1996 | 25.2% | 62,870,000 | -1.60% |
| 1994-1995 | 25.9% | 63,890,000 | -1.43% |
| 1993-1994 | 26.6% | 64,820,000 | -0.83% |
| 1992-1993 | 27.2% | 65,360,000 | -1.30% |
| 1991-1992 | 27.9% | 66,220,000 | -0.69% |
| 1990-1991 | 28.1% | 66,680,000 | -1.32% |
| 1989-1990 | 28.7% | 67,570,000 | -0.12% |
| 1988-1989 | 29.1% | 67,650,000 | +0.18% |
| 1987-1988 | 29.5% | 67,530,000 | +0.15% |
| 1986-1987 | 29.7% | 67,430,000 | +0.19% |
| 1985-1986 | 30.0% | 67,300,000 | -0.10% |
| 1984-1985 | 30.3% | 67,370,000 | +0.24% |
| 1983-1984 | 30.5% | 67,210,000 | +0.40% |
| 1982-1983 | 30.7% | 66,940,000 | +1.49% |
| 1981-1982 | 30.6% | 65,960,000 | +0.96% |
| 1980-1981 | 30.6% | 65,330,000 | +5.78% |
| 1979-1980 | 29.9% | 61,760,000 | +3.49% |
| 1978-1979 | 29.2% | 59,680,000 | +1.58% |
| 1977-1978 | 28.8% | 58,750,000 | +3.29% |
| 1976-1977 | 28.2% | 56,880,000 | +3.21% |
| 1975-1976 | 27.5% | 55,110,000 | +3.13% |
| 1974-1975 | 26.9% | 53,440,000 |