Among Muslim communities, there are two distinct groups: Traditional and immigrant Muslims. The "traditional" community of Muslims are usually Korean converts to Islam, while immigrants are people who migrated from Islamic countries to Korea for jobs, increasing the awareness of the religion and to escape hardship. Said migrants usually hail from regions such as the Middle East, Central Asia, South Asia, and Southeast Asia. The immigration of non-Koreans had increased 9.2% compared to 2017, and the among the people, the highest age group that decides to migrate are between 20–29, followed up with age of 10–19.