Estados Unidos - Natalidade
| Data | Taxa de natalidade | Taxa de fertilidade |
|---|---|---|
| 1981 | 15,80‰ | 1,81 |
| 1980 | 15,90‰ | 1,84 |
| 1979 | 15,60‰ | 1,81 |
| 1978 | 15,00‰ | 1,76 |
| 1977 | 15,10‰ | 1,79 |
| 1976 | 14,60‰ | 1,74 |
| 1975 | 14,60‰ | 1,77 |
| 1974 | 14,80‰ | 1,84 |
| 1973 | 14,80‰ | 1,88 |
| 1972 | 15,60‰ | 2,01 |
| 1971 | 17,20‰ | 2,27 |
| 1970 | 18,40‰ | 2,48 |
| 1969 | 17,90‰ | 2,46 |
| 1968 | 17,60‰ | 2,46 |
| 1967 | 17,80‰ | 2,56 |
| 1966 | 18,40‰ | 2,72 |
| 1965 | 19,40‰ | 2,91 |
| 1964 | 21,10‰ | 3,19 |
| 1963 | 21,70‰ | 3,32 |
| 1962 | 22,40‰ | 3,46 |
| 1961 | 23,30‰ | 3,62 |
| 1960 | 23,70‰ | 3,65 |