Life expectancy is the average number of years that a person would live if he or she experienced the age-specific death rates that occurred at a particular point in time. As death rates decline ...

In particular, the age-specific rate of survival and its complement, the mortality rate, are convenient indicators of the loss of physiological function with age, even beyond the time of ...

age-specific and age-standardized death rates are projected to decline over the next 20 years. The average annual rate of decline is greater (at about 3%) for Group I causes than for Group II causes.

Separate regression equations were developed relating age- and sex-specific mortality rates for 132 detailed causes to the age- and sex-specific mortality rates from corresponding cause clusters ...