I am constantly startled by references to “population growth” as a cause of a number of development challenges. Whether it’s urbanization, food security, or water scarcity, all too often “population growth” is cited as a cause for pessimism or even a reason not to strive for progress. I can almost see Thomas Malthus grinning at me from the shadows.
It gets worse. I recently reviewed a paper where higher fertility among minorities was touted as an explanation for their poverty! A few months ago, a respected professional wrote asking why we weren’t doing more on family planning, since fertility in Africa would pretty much stymie any efforts to provide infrastructure-based services! I hear statements to this effect routinely from policy makers in charge of infrastructure ministries and projects (“how can we keep up with the population?” or “nothing we do will be enough unless we control the population”) but am always amazed when I hear them from scientists of different hues.
So I thought I’d try to set the record straight: