Jack Goldstone is cited in Reuters about population growth.

And while exact predictions vary, most suggest the global population will peak at around 9 billion around 2070 and then start to fall, perhaps very fast. "We thought that overpopulation was going to force humanity to expand outward to the stars," says Jack Goldstone, professor of social science and a leading demographics expert at Washington's George Mason University. "That doesn't look like the problem at all. And the policy framework isn't set up at all to handle these longer-term issues."