Recent college graduates entering the workforce put more of an emphasis on a work-life balance, compared to their older colleagues, according to a global study.

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It's been said that if you put the hard work in at the beginning, it'll pay off in the end. Young workers aren't so sure of that these days, and working like a dog at the start doesn't seem as promising as it had been in the past.

"A lot of it has to do with the fact that a lot of these young people graduated into an economy that didn't reward them all that well," said Carl Van Horn, Director of the John J. Heldrich Center for Workforce Development at Rutgers. "Naturally, they're feeling somewhat unhappy with the way their employers are treating them."

Van Horn cited reports showing that people who graduated during the recession, on average, earned about 10 percent less than graduates from a few years before.

He noted, though, folks who value a work-life balance aren't lazy; their unfulfilled expectations just make them more concerned that their hard work won't have the ultimate payoff.

In the study, 71 percent of millennials said demands of the job interfere with their personal lives.

The PwC study included responses from 44,000 employees across the globe.