The nation’s largest annual demography conference, held in Washington, D.C., last week...

From multiracial children to gender identity, what some demographers are studying now

BY D’VERA COHN

The nation’s largest annual demography conference, held in Washington, D.C., last week, featured new research on topics including couples who live in separate homes, children of multiracial couples, transgender Americans, immigration law enforcement and how climate change affects migration. Here is a roundup of five of the many innovative posters and papers from the Population Association of America meeting, some based on preliminary work. They give insight into the questions on researchers’ minds. (To see the conference presentations by our own Pew Research Center experts, check out this page.)

Living Apart Together

As marriage declines in popularity and other kinds of relationships replace it, a category of couple known as Living Apart Together is the focus of new research in the U.S. These LAT couples, whether opposite-sex or same-sex, say they are in a long-term relationship but do not live together. They include older couples who each own homes as well as people who work in different cities. There’s been some research on these LAT couples in Europe, but until recently, less in the U.S.

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