
The extraordinary rise of solitary living is the biggest social change that we've neglected to identify, let alone examine.
Consider that in 1950, a mere 4 million Americans lived alone, and they made up only 9% of households. Back then, going solo was most common in the open, sprawling Western states--Alaska, Montana and Nevada--that attracted migrant workingmen, and it was usually a short-lived stage on the road to a more conventional domestic life.
Not anymore. According to 2011 census data, people who live alone--nearly 33 million Americans--make up 28% of all U.S. households, which means they are now tied with childless...