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.
What Does Actuarial Value Mean? The actuarial value of a plan tells you what percentage of health care costs that health insurance plan is expected to pay for its beneficiaries. A plan with an actuarial value of 60 percent is expected to pay approximately 60 percent of the health care costs of its beneficiaries.