5 facts you might not know about refugees

Over 20 years, they pay more than their resettlement costs.

"The U.S. spends on average $15,148 in relocation costs and $92,217 in benefits from social programs over a refugee's first 20 years in the U.S., but refugees pay a total of $128,689 in taxes over this time period," according to the study by the Notre Dame researchers.

They obey laws.

"The perception that immigration adversely affects crime rates led to legislation in the 1990s that particularly increased punishment of criminal aliens. In fact, immigrants have much lower institutionalization (incarceration) rates than the native born—on the order of one-fifth the rate of natives," says a report by the National Bureau of Economic Research.

Where they come from and where they settle.

Minnesota's overseas refugees primarily came from Somalia (42 percent) and Burma (22 percent) from January to June 2017. Meanwhile, 45 percent of Minnesota's refugees settled in Hennepin County, 19 percent in Ramsey County and 15 percent in Stearns County in the first half of 2017, according to statistics from the state Department of Human Services.

The U.S. handles a small fraction of the world's refugees.

Worldwide, 22.5 million refugees were reported in 2016, according to the United Nations. President Donald Trump has set the limit for those entering the U.S. at 45,000 per year, which equates to 0.2 percent of all refugees.