Push-Pull Factors: Push factors are circumstances in one's home country that make individuals want to leave, while pull factors are conditions in another country that attract migrants.
Remittances: Remittances refer to money sent by migrants back to their home countries. These financial transfers often play a significant role in the economies of many developing nations.
Refugees: Refugees are individuals who have fled their home countries due to fear of persecution, violence, or war. They seek refuge in other countries in search of safety and protection.