Hell is other people, wrote Jean-Paul Sartre, and have you seen us in the morning? Eew! The opening of “One’s a Crowd,” Eric Kleinberg’s New York Times Opinion piece about the ever-rising number of earthlings choosing to live alone:

“More people live alone than at any other time in history. In prosperous American cities — Atlanta, Denver, Seattle, San Francisco and Minneapolis — 40 percent or more of all households contain a single occupant. In Manhattan and in Washington, nearly one in two households are occupied by a single person.

By international standards, these numbers are surprising — surprisingly low. In Paris, the city of lovers, more than half of all households contain single people, and in socialist Stockholm, the rate tops 60 percent.

The decision to live alone is common in diverse cultures whenever it is economically feasible. Although Americans pride themselves on their self-reliance and culture of individualism, Germany, France and Britain have a greater proportion of one-person households than the United States, as does Japan. Three of the nations with the fastest-growing populations of single people — China, India and Brazil — are also among those with the fastest growing economies.

The mere thought of living alone once sparked anxiety, dread and visions of loneliness. But those images are dated. Now the most privileged people on earth use their resources to separate from one another, to buy privacy and personal space.

Living alone comports with modern values. It promotes freedom, personal control and self-realization — all prized aspects of contemporary life.

It is less feared, too, for the crucial reason that living alone no longer suggests an isolated or less-social life. After interviewing more than 300 singletons (my term for people who live alone) during nearly a decade of research, I’ve concluded that living alone seems to encourage more, not less, social interaction.”