survivorship

noun

1. (uncountable, usually)The state of being a survivor.

   “We therefore seek a method for response-function normalization method which involves manipulating empirical curves that result from unconstrainted empirical fits of the corrected survivorship data.”

2. (uncountable, usually)The number or percentage of young that survive to adulthood.
3. (uncountable, usually)A right whereby a person becomes entitled to property by reason of his having survived another person who had an interest in it. It is one of the elements of a joint tenancy.