It is Europe’s greatest refugee crisis since the second world war. The numbers who have left Ukraine have now outstripped those who fled Syria. But it is not just the scale of the exodus prompted by the Russian invasion that makes it stand out.
European countries have given Ukrainian refugees an immediate right to work. This was a good call. Immigrants can make a contribution to host economies. Assimilation will be easier for those who stay.
Accommodating the sudden influx has imposed large immediate costs. In March, Poland estimated it would have to spend at least €11bn on housing, social services and other expenses.
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