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World population densities: convergence, stability, or divergence?

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  • Alessia Naccarato
  • Federico Benassi

Abstract

Taylor’s law states that the variance of population density in a given set of areas is a power function of its mean. When the exponent is equal to 2, the distribution of population densities between areas remains unchanged; when it is less than 2, the distribution converges toward the uniform distribution; when it is greater than 2, the densities become increasingly different from each other over time. The exponent takes the value 2 for East Asia, the Pacific, and South Asia. It takes a value greater than 2 for sub-Saharan Africa because the ongoing demographic transition and intense urbanization are redistributing the population over the territories. The exponent is lower than 2 for the other regions of the world, which have completed their demographic transition and where the rural exodus has been completed.

Suggested Citation

  • Alessia Naccarato & Federico Benassi, 2022. "World population densities: convergence, stability, or divergence?," Mathematical Population Studies, Taylor & Francis Journals, vol. 29(1), pages 17-30, January.
    • Handle: RePEc:taf:mpopst:v:29:y:2022:i:1:p:17-30
    DOI: 10.1080/08898480.2020.1827854
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