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United States life tables, 1997.

National Vital Statistics Reports : From the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System

|January 15, 2000

Summary

Current U.S. life tables for 1997 show increased life expectancy at birth to 76.5 years. This reflects improved mortality data and a new methodology for calculating life expectancy across all race and sex groups.

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Area of Science:

Demography
Public Health
Biostatistics

Background:

Current life tables provide essential data on U.S. mortality.
Previous methodologies for annual life tables were abridged.
Life tables are crucial for understanding population health trends.

Purpose of the Study:

To present complete U.S. life tables for 1997 using updated methodology.
To report life expectancy and other life table values, including for ages 85-100.
To analyze changes in life expectancy from 1996 to 1997 across demographic groups.

Main Methods:

Utilized 1997 final mortality statistics and July 1, 1997, population estimates.
Incorporated data from the Medicare program for comprehensive analysis.
Constructed complete life tables using a new methodology, similar to decennial life tables.

Main Results:

Overall life expectancy at birth in 1997 was 76.5 years, a 0.4-year increase from 1996.
Life expectancy increased for all four reported race-sex groups: black males, black females, white males, and white females.
Specific increases noted: black males (1.1 years), black females (0.5 years), white males (0.4 years), and white females (0.2 years).

Conclusions:

The new methodology provides more detailed and accurate U.S. life tables.
Mortality improvements in 1997 led to increased life expectancy across diverse populations.
The inclusion of data for older age groups (85-100) enhances the utility of annual life tables.

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