Historical and Projected Mortality for Mexico,Canada, and the United States |
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| Authors: | Stephen C. Goss A.S.A. Alice Wade A.S.A. Felicitie Bell Bernard Dussault F.S.A. F.C.I.A. |
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| Affiliation: | 1. U.S. Social Security Administration , 6401 Security Blvd., 700 Altmeyer Building, Baltimore, MD 21235;2. Public Insurance and Pension Programs, Office of the Chief Actuary (Canada) , 255 Albert, Kent Square, 12th Floor, Ottawa, ON , Canada K1A 0H2 |
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| Abstract: | Abstract This paper presents historical death rates for Canada, Mexico, and the U.S. by sex and broad age group. The time period for this historical analysis begins with 1900 (1930 for Mexico). These data provide a quite consistent basis from which experts can develop and contrast their expectations for future mortality trends. Official mortality projections developed by government agencies of each of the three countries provide a starting point for this discussion. During this century, death rates declined fairly rapidly in all three countries. However, the rate of mortality improvement has varied considerably across time periods: distinct periods of rapid and slow improvement are evident in the data, but are not consistent across the countries and have not yet been explained. The historical rates of improvement in mortality have also varied greatly by age and sex: younger age groups have shown the most rapid proportional improvement in mortality in all three countries, and mortality improvement during this century has generally been greater for females than for males. However, the data provide evidence that this difference in the rates of mortality improvement between men and women has recently slowed, and even reversed, in the U.S. and Canada. Historical experience and projections are provided in graphs, in which death rates are plotted on a logarithmic scale. This approach allows easy detection of the extent to which rates of improvement have been changing (death rates with constant rates of improvement would be plotted as straight lines). The official projections supplied for comparison provide strikingly similar outlooks for future potential mortality improvement. In each case, the relatively average rapid rate of mortality improvement experienced so far this century is assumed to slow in the future. In addition, rates of improvement are projected to be much more similar for all three countries across age groups and between the sexes. |
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