Starcast Join the waitlist
The Michael Shermer Show

The Michael Shermer Show

Depopulation: The Silent Global Emergency

Aug 30, 2025 · 1h 16m

Coming soon to iPhone. Already have it? “Listen in Starcast” takes you straight there.

On this episode

About this episode

Economist Dean Spears explains the forces driving global population change, from past fears of overpopulation to today's concerns about declining birth rates. He contrasts the perspectives of biologists and economists on population growth and highlights the role of human ideas and innovation in sustaining progress. Spears also discusses misconceptions about zero-sum economics, the links between population, health, and economic well-being, and the rise of anti-natalism. The conversation covers population size and environmental concerns, government policies on family planning, and why cultural attitudes toward reproduction may be as important as policy in addressing the challenges of a…