Survivorship of Sons Under Conditions of Improving Mortality

摘要: The strong desire of fathers to be assured that at least one son will outlive them, coupled with the traditional belief in a high probability sons predeceasing their father, is often deterrent restriction family size. A calculation probabilities survivorship on basis United Nations Model Life Tables, however, shows father being outlived by even are remarkably high, particularly after has survived first two years life. When cohort tables used, reflecting expected mortality improvements, higher. In general, it found two-year-old his 80% or better, subject current level and age father.