DEFINITION of 'Commissioners Standard Ordinary Mortality Table '
An actuarial table used to compute the minimum nonforfeiture values of ordinary life insurance policies. The Commissioners Standard Ordinary (CSO) mortality table reflects the probability that people in various age groups will die in a given year.
BREAKING DOWN 'Commissioners Standard Ordinary Mortality Table '
CSO mortality tables stand in contrast to industrial mortality tables for industrial life insurance policies. CSO tables require lower premiums from policy owners than industrial policies because these individuals tend to live longer. Both tables must be approved by the National Association of Insurance Commissioners.