Asked to define their sexuality on a scale ranging from "completely heterosexual" to "completely homosexual," roughly one-third of younger Americans chose something other than completely straight. That's according to a new YouGov survey.

The survey asked: "Please try to place your sexuality on a scale of 0 to 6, where 0 is completely heterosexual and 6 is completely homosexual." This is known as the Kinsey Scale, named after the sexuality researcher. Thirty-one percent of millennials placed themselves at other than 0 on that scale; another 4 percent weren't sure how they'd define themselves.

By contrast, 86 percent of baby boomers and a similar percentage of seniors called themselves "completely heterosexual." There was a sharp political divide on the question, as well: One-quarter of Democrats identified as something other than completely straight, compared with only 9 percent of Republicans.

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YouGov's numbers, released last week, suggest that categories such as straight, gay or bisexual matter less now than ever. Only a quarter of seniors agreed that human sexuality is a continuous scale, not a black-and-white binary. But more than half of millennials said the same.

-- The Washington Post