Not really needed. Birth rates need to be at 2.1 births per woman for a population to not contract. Nearly every industrial nation has fallen below that. Over t

Not really needed. Birth rates need to be at 2.1 births per woman for a population to not contract. Nearly every industrial nation has fallen below that. Over the next few decades (up to a century), most of the world will likely be there. With increased urbanization, the problem will eventually be a continually contracting population. https://worldview.stratfor.com/article/birthrates-are-declining-worldwide-inconsistently-across-regions https://worldview.stratfor.com/article/birthrates-are-declin...