In 2015, population crashes in mosquitoes were demonstrated using "gene drives" via CRISPR technology.
Replacement fertility is the level of fertility that is required to sustain a population without any external inputs.
In human populations, replacement fertility is 2.1 children born per woman in a given population.
Film documentary Demographic Winter: The decline of the human family
The film Demographic Winter focuses on the issue of sub-replacement fertility.
A review of the film documentary Demographic Winter declares:
|“||One of the most ominous events of modern history is quietly unfolding. Social scientists and economists agree -- we are headed toward a demographic winter which threatens to have catastrophic social and economic consequences. The effects will be severe and long lasting and are already becoming manifest in much of Europe. This ground breaking film draws upon experts from many different disciplines and reveals in chilling soberness the dangers facing society and the world's economies...||”|
Eric Kaufmann on sub-replacement fertility
- Demographic winter documentary - video
- Demographic Winter: The decline of the human family - Amazon
- Whither the Child? Causes and Consequences of Low Fertility, University of Virginia, Department of Sociology