Birth Rate Death Rate Total Fertility Rate (average no' of kids women will have in their fertility years) Infant Mortality Rate (IMR, the no' of kids who will die before their 1st birthday) Dependency Ratio Life Expectancy Immigration Emigration Net migration (difference of no's between immigration and emigration) Natural Increase (difference of no's between birth and death rate)
Birth Rates - FALLEN, Birth Rates per 100 - 29 in 1909, 12 in 2000
BUT, BABY BOOMS - in 1960 and BOTH WW.
Also, fertility rates have also decreased in the past 40 years. Family size has declined from an average of 3 to 1.6 children. Births outside marriges account for nearlly half of all births.