Mortality level, desired family size, and population increase

摘要: Although the worldwide population explosion has been created by a decline in death rates further mortality less developed nations may be an invaluable aid for curbing current rate of world growth. Results several computer-simulation models are presented. Under these assumptions increase will greatest when level is intermediate magnitude as now obtains many nations. In where low birth and low. Changes social structure cause parents to feel need assure survival at least 1 son their old age. Social-security programs elderly thus have significant impact causing substantial reduction control campaigns reduce fertility they alone not likely achieve