Life Tables for the
United States Social Security
Area 1900-2100

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ACTUARIAL STUDY NO. 120
published August 2005
by Felicitie C. Bell
and Michael L. Miller

Table of Contents

I. Introduction 1

II. Basic Concepts 1

III. Construction of Central Death Rates 2

A. Data Sources 2

B. Adjustments in Population 3

IV. Methods 3

A. Definitions of Life Table Functions 3

B. Death Rates at Ages 0 - 4 4

C. Death Rates at Ages 5 - 94 5

D. Death Rates at Ages 95 and Older 6

E. Historical Trends and Projections 6

V. Results 9


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