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.
The actuarial value of a health insurance plan is the average total costs of covered healthcare expenses the insurer is contractually obligated to pay. Actuaries have long used actuarial-value estimates to estimate payouts of plans. But from a policyholderâs perspective, a planâs actuarial-value estimates the financial protection provided by the plan. This financial protection could be viewed as the generosity of the plan.