Brexit and Migration: Germany-Benchmarked Evidence on Structural and Reallocation Shifts

Assaf Razin

No 20953, CEPR Discussion Papers from Centre for Economic Policy Research

Abstract: This paper analyzes how Brexit reshaped migration flows into and out of the United Kingdom by exploiting the 2016 referendum and the 2021 termination of free movement as sequential institutional shocks. Using a Difference-in-Differences design with Germany as a stable EU benchmark, the results show that Brexit acted as a structural regime shock, not a border-tightening event. Net migration into the UK rose after both shocks—first due to a sharp post-referendum decline in emigration relative to Germany, and later due to a substantial expansion of non-EU immigration under the new points-based system. Immigration patterns exhibit a clear regime shift, with EU inflows contracting sharply after 2016 and globally sourced, skill-selective inflows rising after 2021. In the later period, a modest but notable increase in UK-born emigration relative to Germany also emerges, reflecting frictions in post-Brexit mobility. Overall, Brexit reoriented—rather than reduced—UK migration flows, transforming both their scale and composition.

Keywords: Brexit (search for similar items in EconPapers)
JEL-codes: F22 P5 (search for similar items in EconPapers)
Date: 2025-12
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