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.
Hypernyms (actuarial table is a kind of...): table; tabular array (a set of data arranged in rows and columns). Hyponyms (each of the following is a kind of actuarial table): mortality table (an actuarial table indicating life expectancy and probability of death as a function or age and sex and occupation etc).