The demographic universe estimates for the 1976-1977 television season as defined and published by Nielsen Media Research.
| Demographic | Population | Share |
|---|---|---|
| Households | 71,200,000 | |
| Persons 2+ | 201,460,000 | |
| Persons 2-11 | 33,930,000 | 16.8% |
| Persons 6-11 | 21,120,000 | 10.5% |
| Persons 12-17 | 24,520,000 | 12.2% |
| Persons 18+ | 143,010,000 | 71.0% |
| Persons 18-34 | 56,880,000 | 28.2% |
| Persons 18-49 | 90,880,000 | 45.1% |
| Persons 25-54 | 76,480,000 | 38.0% |
| Persons 35+ | 86,130,000 | 42.8% |
| Persons 50+ | 52,130,000 | 25.9% |
| Persons 50-54 | 11,740,000 | 5.83% |
| Persons 55+ | 40,390,000 | 20.1% |
| Persons 55-64 | 19,430,000 | 9.64% |
| Males 12-17 | 12,440,000 | 6.17% |
| Males 18+ | 67,640,000 | 33.6% |
| Males 18-34 | 27,770,000 | 13.8% |
| Males 18-49 | 44,250,000 | 22.0% |
| Males 25-54 | 37,170,000 | 18.5% |
| Males 55+ | 17,770,000 | 8.82% |
| Males 55-64 | 9,140,000 | 4.54% |
| Females 12-17 | 12,080,000 | 6.00% |
| Females 18+ | 75,370,000 | 37.4% |
| Females 18-34 | 29,110,000 | 14.5% |
| Females 18-49 | 46,630,000 | 23.2% |
| Females 25-54 | 39,310,000 | 19.5% |
| Females 55+ | 22,620,000 | 11.2% |
| Females 55-64 | 10,290,000 | 5.11% |