Declining population of the U.S.

Many who were in college in the 1960s and 1970s read “The Population Bomb” by Stanford Professors Paul and Anne Ehrlich. The book warned of the dire consequences of overpopulation. Their mid-twentieth century book brought forward Robert Thomas Malthus’s hypothesis that the world’s population was growing geometrically, while the food supply only expanded arithmetically. As a result, the world would run out of food. Malthus, an English economist and demographer’s 1798 essay, “The Principles of Population,” and his book, “The Principles of Political Economy” (1820,) incorporated this population theory. Together, they concluded that the bulk of humanity was destined to live at a subsistence level as population growth would always outpace food production. His melancholy predictions inspired Tho