An advertising-agency researcher, looking for material on the spending habits of the higher income brackets, asked a library for a book called People of Plenty.
The book she got seemed overfull of vital statistics. She took another look at the title: Plenty of People. Both books are timely—and closely connected.
At 1954's end the U.S. Census Bureau estimated that the population was 163.9 million, up an amazing 2,800,000 in a year. Nearly all of this is natural increase, i.e., excess of births (rate: 25.2 per 1,000) over deaths (rate: 9.2 per 1,000). Immigration,...