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 science is the discipline that applies mathematical and statistical methods to assess risk in insurance, finance and other industries and professions.Actuaries are professionals who are qualified in this field through intense education and experience.ctuarial science applied to other forms of insurance [edit]. Actuarial science is also applied to Property, Casualty, Liability, and General insurance. In these forms of insurance, coverage is generally provided on a renewable period, (such as a yearly).