U.S. Justice Department: Does Neighborhood Watch reduce crime? Neighborhood Watch programs became popular in the 1970s and 1980s; by 2000, roughly 40% of the U.S. residential population was covered by such citizen crime-watching programs.
Definition of actuarial. 1  1 : of or relating to actuaries. 2  2 : relating to statistical calculation especially of life expectancy.
Actuarial value is based on kind of complex calculations and is meant to rank plans to give you an idea of what plans will cover, to determine cost assistance eligibility of plans, and to ensure that insurance providers sell plans that provide a minimum value.