Poland Demonized Refugees. Now It’s Struggling to Integrate Them.

Numbers never tell the full story of a war. Often, however, they offer a good vantage point to look at the bigger picture. The key piece of data that actually tells the story of the future does not feature Ukraine at all—but, at the same time, illustrates the sheer scale of its tragedy. Since the Russian invasion, more than 2.3 million Ukrainian refugees have crossed the border into Poland.

This number in itself might not yet be worrisome. It becomes so, however, when contextualized. According to calculations made by the...