Ok so the answer is magnetism
Might include the Francophones of Canada ,the Amish religious enclaves of south-central Pennsylvania, Russia, and Middle East
Explanation:
In 2018, the increase was driven particularly by internal displacement in Ethiopia and asylum-seekers fleeing Venezuela. The proportion of the world's population who were displaced also continued to rise, as the world's forcibly displaced population grew faster than the global population.
Sorry, please do elaborate on what it is you are talking about, I am all but lost