Correct Answer : 18th December
The International Migrants Day is observed globally on 18th December every year. The day is marked by the United Nations, through the UN-related agency International Organization for Migration (IOM). The day is observed to highlight the contributions made by the 272 million migrants, which includes more than 41 million people who are internally displaced persons, and the challenges they face.
Theme : The theme of International Migrants Day 2021 is Harnessing the potential of human mobility.