Historical universe estimates of the Persons 18-49 demographic among U.S. TV audience.
| Season | Share | Population | Change |
|---|---|---|---|
| 2024-2025 | 42.3% | 134,090,000 | +1.68% |
| 2023-2024 | 41.8% | 131,880,000 | +1.05% |
| 2022-2023 | 41.8% | 130,510,000 | +0.05% |
| 2021-2022 | 41.9% | 130,450,000 | +0.78% |
| 2020-2021 | 42.0% | 129,440,000 | -0.02% |
| 2019-2020 | 42.1% | 129,470,000 | +0.48% |
| 2018-2019 | 42.2% | 128,850,000 | -0.04% |
| 2017-2018 | 42.3% | 128,900,000 | +0.45% |
| 2016-2017 | 42.5% | 128,320,000 | +1.19% |
| 2015-2016 | 42.7% | 126,810,000 | -0.13% |
| 2014-2015 | 42.9% | 126,980,000 | +0.02% |
| 2013-2014 | 43.1% | 126,960,000 | +0.33% |
| 2012-2013 | 43.7% | 126,540,000 | -1.03% |
| 2011-2012 | 44.1% | 127,860,000 | -2.76% |
| 2010-2011 | 44.6% | 131,490,000 | -0.07% |
| 2009-2010 | 45.1% | 131,580,000 | -0.30% |
| 2008-2009 | 45.5% | 131,970,000 | +0.70% |
| 2007-2008 | 45.8% | 131,050,000 | +0.34% |
| 2006-2007 | 46.1% | 130,600,000 | +0.48% |
| 2005-2006 | 46.3% | 129,970,000 | +0.08% |
| 2004-2005 | 46.7% | 129,870,000 | +0.85% |
| 2003-2004 | 46.7% | 128,780,000 | +0.09% |
| 2002-2003 | 47.3% | 128,660,000 | +1.12% |
| 2001-2002 | 47.2% | 127,240,000 | +2.32% |
| 2000-2001 | 47.5% | 124,360,000 | -0.10% |
| 1999-2000 | 47.9% | 124,480,000 | +0.47% |
| 1998-1999 | 48.3% | 123,900,000 | +0.33% |
| 1997-1998 | 48.6% | 123,490,000 | +0.28% |
| 1996-1997 | 49.0% | 123,150,000 | +0.16% |
| 1995-1996 | 49.4% | 122,950,000 | +0.65% |
| 1994-1995 | 49.6% | 122,160,000 | +0.58% |
| 1993-1994 | 49.9% | 121,460,000 | +0.95% |
| 1992-1993 | 50.0% | 120,320,000 | +0.77% |
| 1991-1992 | 50.2% | 119,400,000 | +0.06% |
| 1990-1991 | 50.3% | 119,330,000 | +0.54% |
| 1989-1990 | 50.5% | 118,690,000 | +1.44% |
| 1988-1989 | 50.3% | 117,010,000 | +1.91% |
| 1987-1988 | 50.1% | 114,820,000 | +1.45% |
| 1986-1987 | 49.8% | 113,180,000 | +1.64% |
| 1985-1986 | 49.6% | 111,350,000 | +1.38% |
| 1984-1985 | 49.4% | 109,830,000 | +1.55% |
| 1983-1984 | 49.1% | 108,150,000 | +1.66% |
| 1982-1983 | 48.8% | 106,380,000 | +2.15% |
| 1981-1982 | 48.3% | 104,140,000 | +2.51% |
| 1980-1981 | 47.6% | 101,590,000 | +4.33% |
| 1979-1980 | 47.2% | 97,370,000 | +3.06% |
| 1978-1979 | 46.2% | 94,480,000 | +1.43% |
| 1977-1978 | 45.7% | 93,150,000 | +2.50% |
| 1976-1977 | 45.1% | 90,880,000 | +2.08% |
| 1975-1976 | 44.5% | 89,030,000 | +1.69% |
| 1974-1975 | 44.0% | 87,550,000 |