Migration to rich countries plummeted last year as the Covid-19 pandemic closed businesses and borders, but a rebound is under way as shortages of workers bite and industries that had come to rely heavily on migrant labor over the past two decades reopened.
In its annual report on the movement of people across borders, the Organization for Economic Cooperation and Development, a Paris-based research body, said the number of migrants arriving in its mostly rich-country members fell by almost a third to 3.7 million, the largest drop since records began in 2003.
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