Calculator
Parental mortality risk by a child's 18th birthday.
Enter parental ages at birth. The calculator interpolates actuarial life table values and estimates the chance that at least one parent dies before the child reaches adulthood.
Parental Ages
Father mortality
6.5%
Risk of death before year 18
Mother mortality
2.6%
Risk of death before year 18
Combined risk
9.0%
At least one parent dead by year 18
Combined risk spectrum
9.0%
At these ages, the combined probability that at least one parent will be deceased before the child's 18th birthday is 9.0%.
Data Notes
Risk values interpolated from SSA Actuarial Life Tables
Combined risk = P(A∪B) = 1 - (1 - Pf)(1 - Pm)
Data source: Fertil Steril, 2025
This tool is for education and quick estimation. It is not medical, legal, or reproductive counseling. Individual risk depends on context beyond age alone.