Migration is surging worldwide — as is the backlash to it. Perhaps nowhere is this backlash more evident at the moment than in the United States, where newly minted President Donald Trump has said he will deport all of the estimated 11 million undocumented immigrants living in the country.

Amy Pope doesn’t think that is practical, or productive.

Pope, director-general of the International Organization for Migration, which falls under the United Nations, told Devex that such a mass deportation would have a range of repercussions, assuming it’s even feasible.

“In the United States where you’re talking over 11 million people who’ve been living and working there, frankly — and I know this because I worked at a time when more than 400,000 people were removed in a year under President Obama — the system cannot bear removing 11 million people. The logistical capacity does not exist,” she told Devex Editor-in-Chief Raj Kumar during a special episode of the This Week in Global Development podcast from the World Economic Forum in Davos, Switzerland.

While the logistical capacity may not exist, the economic toll certainly does, Pope said.

“It is clear that American industry has been relying on migrants — high-skilled, low-skilled, irregular, regular — across the board. So if you start to pull out that workforce, if you do not have another workforce ready to go in, you’re going to see the impact across the board,” she said, citing industries such as agriculture, construction, manufacturing, and food processing.

Moreover, irregular migration strengthens smugglers and traffickers while weakening trust in governments.

“It undermines confidence in government. Because if the government cannot manage its border and if there’s a perception that everybody can come to the border and cross and you don’t have to wait in a line … it undermines public confidence,” she said.

Rather, governments need to set up a system where migration is legal and orderly.

“If you’ve been living in a country, if you have been holding a job, paying your taxes, not committing crimes, kids are in school, whatever … you offer people a way to regularize their status,” she said. “Let’s give them status — make sure they’re paid fairly, make sure that their entry into the workforce is being done in a regular way.”

To hear more of Pope’s thoughts — including why people migrate and what aid agencies can do in a time of ever-tightening budgets — check out the podcast.

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