The national survey of 100,000 college-educated workers is intended to fill an information gap about post-graduation migration patterns.

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The type of college a person graduates from is one of the strongest predictors of whether they’ll remain in the state to work after graduation, new data shows.

According to a report the Strada Institute for the Future of Work published Thursday, 62 percent of workers between the ages of 20 and 65 who graduated from a public institution attended college in their home state and now work there, compared to 44 percent of workers who graduated from a private, nonprofit institution who did the same.

“State support permits public colleges to subsidize tuition for in-state students, helping to retain these students for college and often after college as well, making public postsecondary institutions anchors for states’ talent development,” the report says. “Private colleges typically do not offer such discounts; thus, students are less incentivized to choose a private college in their home state.”