The outcome of the war, particularly the shift of Poland's borders to the area between the Curzon Line and the Oder-Neisse line, coupled with post-war expulsion of minorities, significantly reduced the country's ethnic diversity.

Several post-war expulsions in Central and Eastern Europe displaced a total of about 20 million people.

The post-war expulsions were the largest forced movement of Europeans in the 20th century.

In effect, it became one of the largest of several post-war expulsions in Central and Eastern Europe which displaced a total of about twenty million people.

As to the question of the post-war expellees, France maintained the position that it did not approve post-war expulsions and that therefore it was not responsible to accommodate and nourish the destitute expellees in its zone.

It was also the largest among all the post-war expulsions in Central and Eastern Europe, which displaced more than twenty million people in total.

Many Germans had fled the region as the Soviets advanced; the post-war expulsions of Germans from Polish territory (and emigration of remaining Jews) left Poznań with an almost uniformly ethnically Polish population, which totalled 268,000 in 1946.

Until the post-war expulsions it also included the "Northwestern Bohemian" language in the adjacent Sudetenland territories to the south, today part of the Czech Republic.

Since the beginning of the 1990s, there has been a lively debate in Poland regarding the post-war expulsion of the Germans.

The Tatar intelligentsia was in large part murdered in the AB Action, while much of the civilian population was targeted by post-war expulsions.