The Rohingya, a Muslim ethnic group in western Myanmar described by the United Nations as the most persecuted minority in the world, have crossed the border in waves over several decades.
About 32,000 are sheltered in camps administered by the United Nations, but hundreds of thousands more live undocumented in squalid, makeshift camps or scattered around southeast Bangladesh, vulnerable to human traffickers and exploited as cheap labor.
The population has swelled since 2012, when anti-Muslim riots started taking place with renewed frequency in Myanmar.
300,000 Rohingya are living in the Cox’s Bazar district belong to 37,000 families - 20,000 exclusively Rohingya families and 17,000 mixed with Bangladeshi and Rohingyas who married between Bangladeshis and Rohingyas, according to reliable sources in Cox's Bazar District Statistics Office.
The Rohingyas community living in cox’s Bazar is much more and other district – Chittagong, Dhaka, Patuakhali, Khagrachari, Bandarban and Rangamati. and other- have also living Rohingyas. A total of Rohingyas in Bangladesh is about 500,000, according to NGOs and individual account.