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Index/Topics/Immigration data collection

Immigration data collection

The collection and use of data on immigration enforcement, including databases and reporting systems.

Fact-Checks

4 results
Jan 15, 2026
Most Viewed

What were annual net immigration totals under Biden Trump and Obama administrations

Publicly available reporting indicates net immigration to the United States rose markedly during the Biden years and was substantially lower during the Trump presidency, with analysts and agencies cau...

Jan 15, 2026
Most Viewed

How did ICE removals and arrest metrics change between 2013 and 2016, and what counting rules affected those totals?

Between FY2013 and FY2016 reported ICE removals fell substantially in aggregate terms — from 363,144 removals in FY2013 (excluding a reporting “lag”) to a total of roughly 240,255 removals in FY2016 a...

Feb 7, 2026

How do the Ministry of Justice and Home Office currently record immigration status in criminal justice data?

does not systematically record defendants’ or offenders’ within its core , a limitation repeatedly noted by and independent analysts . supplies police-recorded crime data and publishes immigration sta...

Jan 17, 2026

How do CBP and ICE define and count 'criminal aliens' and what are the limitations of those counts?

CBP and ICE label and tally “criminal aliens” by matching apprehended or detained noncitizens against law‑enforcement conviction or charge records and administrative detention events in DHS databases,...

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