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Fig. 3. Survival patterns after age 90. The percent surviving (in log scale) is plotted as a function of age of Swedish women for calendar years 1900, 1980, and 1999 (cross-sectional data). After age 100, the logarithm of the survival fraction is decreasing without much further acceleration (aging) in almost a linear fashion. There is also an increasing pace of survival improvement in history: It took less than 20 years (from year 1980 to year 1999) to repeat essentially the same survival improvement that initially took 80 years (from year 1900 to year 1980). Source: cross-sectional (period) life tables at the Berkeley Mortality Database http://www.demog.berkeley.edu/~bmd/.


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Science of Aging Knowledge Environment. ISSN 1539-6150