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Murky data-sharing practices makes true impact of Trump's mass deportation campaign unclear

President Donald J. Trump participates in a bilateral meeting with Taoiseach of Ireland Micheál Martin in the Oval Office on Tuesday, March 17, 2026.
Daniel Torok
/
White House
President Donald J. Trump participates in a bilateral meeting with Taoiseach of Ireland Micheál Martin in the Oval Office on Tuesday, March 17, 2026.

The mass deportation campaign has been a cornerstone of President Donald Trump’s second term. But, as the AP reports, the administration’s data sharing practices make it difficult to know what exactly that looks like.

The Trump administration has touted immigration enforcement goals like deporting 1 million people a year and arresting the “worst-of-the-worst” criminals.

But how that’s bearing out on the ground isn’t clear, because data releases under this administration are less reliable than in previous presidencies.

“When people are saying, ‘oh how does this compare to the Obama administration’ — since Obama was considered the deporter-in-chief — the fact of the matter is, to a certain extent, we actually don’t know,” said Kathleen Bush-Joseph is with the Migration Policy Institute.

Bush-Joseph says researchers are increasingly relying on Freedom of Information Act requests and non-government efforts to compile data. But on the government side, even data on the basics — like who’s being arrested, where they’re being arrested and where they’re being deported — is not broken down.

“All of these top line considerations make it harder to evaluate these claims about whether or not they’re really deporting the ‘worst of the worst,’” she said.

A December report from the libertarian think tank Cato Institute used available government data and found the majority of immigrants in ICE detention have no criminal record.

More Immigration News

Alisa Reznick is a senior field correspondent covering stories across southern Arizona and the borderlands for the Tucson bureau of KJZZ's Fronteras Desk.