The Stability of the Normal Age Distribution

  • Alfred J. Lotka
Part of the Biomathematics book series (BIOMATHEMATICS, volume 6)


There is a unique age distribution which, in certain circumstances,2 has the property of perpetuating itself when once set up in a population. This fact is easily established,3 as is also the analytical form of this unique fixed or normal age distribution.


Shade Area Total Birthrate Actual Curve Original Population Curve Contact 
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  1. 3.
    Lotka, Amer. J. Sci., 26, 1907 (21);Google Scholar
  2. J. Wash. Acad. Sci., 3, 1913 (241, 289).Google Scholar

Copyright information

© Springer-Verlag Berlin · Heidelberg 1977

Authors and Affiliations

  • Alfred J. Lotka

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