41.   The population bomb is caused not just by fertility rates.

42.   The report also indicates that much of the increase in Hispanic-origin births is the result of high fertility rates among Mexican-Americans, particularly recent immigrants.

43.   The report was further evidence of a rapidly changing American population and of the continuing impact of immigration from Latin America and high fertility rates among Hispanic women.

44.   The United States hovers just above the replacement fertility rate, but its population is growing more rapidly than those of other industrial nations because of immigration.

45.   They calculated that the fertility rate in Borough Park is double that of the city as a whole.

46.   Utah, with its large Mormon population, has the highest fertility rate and the lowest median age of any state.

47.   When parents know their children will survive, fertility rates plummet.

48.   Whereas its fertility rates are similar to those of desperately poor countries like Somalia, nutrition and health care are much better.

49.   Whereas its fertility rates are similar to those of such desperately poor Muslim countries as Somalia, nutrition and health care are much better.

50.   But women are increasingly turning to careers, resulting in the decreasing fertility rate that has helped speed the aging of Japan.