Measuring selection in contemporary human populations
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Updated: Jun 10, 2026

Measurement of Lifespan in Drosophila melanogaster
Published on: January 7, 2013
Stephen C Stearns1, Sean G Byars, Diddahally R Govindaraju
1Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut 06520-8102, USA. stephen.stearns@yale.edu
Abstract:
Are humans currently evolving? This question can be answered using data on lifetime reproductive success, multiple traits and genetic variation and covariation in those traits. Such data are available in existing long-term, multigeneration studies - both clinical and epidemiological - but they have not yet been widely used to address contemporary human evolution. Here we review methods to predict evolutionary change and attempts to measure selection and inheritance in humans. We also assemble examples of long-term studies in which additional measurements of evolution could be made. The evidence strongly suggests that we are evolving and that our nature is dynamic, not static.
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