Romania

Attitudes toward migrants warmed in 2022 among most of Ukraine's western neighbors, though these countries rank among the least accepting in the world.

More than 500,000 refugees have fled Ukraine since Thursday, many of them crossing into Poland, Moldova and Romania. Of Ukraine's western neighbors, these three countries were the most welcoming of migrants in 2019.

The Russian government has demanded the withdrawal of NATO forces and equipment from alliance members in Eastern Europe. Before this, attitudes toward Russia had already soured following the country's annexation of Crimea.

As leaders gather for NATO's 70-year anniversary, Gallup reviews its archives for insights on what Americans think about the longtime defense pact.