Denials of allegations defendant wishes to contest (failure to deny is implied admission) AND Any affirmative defenses (SOL, lack of jurisdiction, comparative negligence, etc) AND counterclaims (defendant asserts own cause of action against the plaintiff) AND
Life expectancy is a statistical measure defined as the expected (mean) survival of human beings based upon a number of criteria such as gender and geographic location. Popularly, it is most often construed to mean the life expectancy at birth for a given human population, which is the same as the expected age at death.
Life expectancy is generally recorded as a person's expected lifespan from birth (age 0) and can be represented as either an expected mean or as the true average age of individuals born in that year (which can only be calculated after all people born that year have passed away).