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 refers to the average amount of insurance expenses that would be paid for by the plan. The higher the actuarial value of a plan, the lower the out-of-pocket costs for the plan member. With respect to the plan names, the more expensive the metal, the higher the actuarial value.