Saudi Arabia and Bangladesh formally established diplomatic relations in 1975-76 , after the Assassination of Sheikh Mujibur Rahman by mutinous officers in Bangladesh Army . The military regimes of Ziaur Rahman and Hussain Muhammad Ershad took steps to forge strong commercial and cultural ties with Saudi Arabia . Since the late 1980s , a large number of both skilled and unskilled Bangladeshi workers have moved to Saudi Arabia ; the number of Bangladeshis living in Saudi Arabia today exceeds 2.5 million . A large number of Muslim religious students and clerics also regularly travel to Saudi Arabia for study and religious work . As one of the most populous Muslim countries , Bangladesh is a major source of Hajj pilgrims . Saudi Arabia has become a major source of financing and economic aid to Bangladesh . On August 2014 Saudi Arabia banned Bangladeshi women from marrying Saudi nationals
Assassination of Sheikh Mujibur Rahman
Assassination of Sheikh Mujibur Rahman
Bangladesh–Saudi Arabia relations