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So you want to get married? Let me see your degree.

Posted by Kevin Hartnett  April 16, 2013 10:55 AM

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It's often noted that most marriages these days are between people with similar educational backgrounds: College graduates marry college graduates; high school dropouts marry high school dropouts. Sociologists call this type of sorting "endogamy"- the practice of marrying people who are like you- and they argue that this trend has the effect of reinforcing inequality in America by segregating the haves and have-nots into distinct communities that don't mix.

Earlier this month on his blog Family Unequal, University of Maryland sociologist Philip Cohen published two charts that neatly summarize the state of marriage and education for people who tied the knot in 2011. Cohen created separate charts, which are based on the 2011 American Community Survey, for men and women because women are slightly more likely to marry down the educational ladder than men (in part because women earn more college degrees than men). As you'll see, the segregating trend is true broadly, with 71 percent of college graduates marrying other college graduates. It is also true on a more fine-grained level: 48 percent of women who drop out of high school marry another high school dropout; 25 percent of women with a PhD marry another PhD.

These marriage groupings likely owe as much to who we hang out with as to strong personal biases against inter-educational mixing: Doctoral students study alongside each other for years, and high school dropouts probably spend a lot of the time they're not in school with other people who made the same choices.

Cohen Women Marry.jpeg

Cohen Men Marry.jpeg

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About brainiac Brainiac is the daily blog of the Globe's Sunday Ideas section, covering news and delights from the worlds of art, science, literature, history, design, and more. You can follow us on Twitter @GlobeIdeas.
Brainiac blogger Kevin Hartnett is a writer in Columbia, South Carolina. He can be reached here.

Leon Neyfakh is the staff writer for Ideas. Amanda Katz is the deputy Ideas editor. Stephen Heuser is the Ideas editor.

Guest blogger Simon Waxman is Managing Editor of Boston Review and has written for WBUR, Alternet, McSweeney's, Jacobin, and others.

Guest blogger Elizabeth Manus is a writer living in New York City. She has been a book review editor at the Boston Phoenix, and a columnist for The New York Observer and Metro.

Guest blogger Sarah Laskow is a freelance writer and editor in New York City. She edits Smithsonian's SmartNews blog and has contributed to Salon, Good, The American Prospect, Bloomberg News, and other publications.

Guest blogger Joshua Glenn is a Boston-based writer, publisher, and freelance semiotician. He was the original Brainiac blogger, and is currently editor of the blog HiLobrow, publisher of a series of Radium Age science fiction novels, and co-author/co-editor of several books, including the story collection "Significant Objects" and the kids' field guide to life "Unbored."

Guest blogger Ruth Graham is a freelance journalist in New Hampshire, and a frequent Ideas contributor. She is a former features editor for the New York Sun, and has written for publications including Slate and the Wall Street Journal.

Joshua Rothman is a graduate student and Teaching Fellow in the Harvard English department, and an Instructor in Public Policy at the Harvard Kennedy School of Government. He teaches novels and political writing.


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