International | Irregular migration

Europe’s astonishing drop in illegal migration

Europe’s big, invisible wall is slowing boat crossings by migrants

Libyan policemen arrest a group of migrants in Tripoli, Libya, July 26th 2025
Photograph: AP
|7 min read

“EUROPE IS IN serious trouble,” Donald Trump thundered on September 23rd in a speech at the UN. “Illegal aliens are pouring in.” Listen to other politicians, too, and it would seem that the flow of migrants illegally crossing Europe’s borders is an unstoppable tide.

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