The Muhajir people are Muslim immigrants of various ethnic groups and regional origins, and their descendants, who migrated from various regions of India after the Partition of India to settle in the newly independent state of Pakistan. The community includes those immigrants' descendants, most of whom are settled in Karachi and other parts of urban Sindh. The Muhajir community also includes stranded Pakistanis in Bangladesh who migrated to Pakistan after 1971 following the secession of East Pakistan in the Bangladesh Liberation War.

Urdu is an Indo-Aryan language spoken chiefly in South Asia. It is the national language and lingua franca of Pakistan, where it is also an official language alongside English. In India, Urdu is an Eighth Schedule language, the status and cultural heritage of which are recognised by the Constitution of India; and it also has an official status in several Indian states. In Nepal, Urdu is a registered regional dialect and in South Africa it is a protected language in the constitution. It is also spoken as a minority language in Afghanistan and Bangladesh, with no official status.