<Tr> <Th> Main immigrant languages </Th> <Td> Bihari Burmese Rohingya Urdu </Td> </Tr> <Tr> <Th> Main foreign languages </Th> <Td> English, Arabic and Hindustani </Td> </Tr> <P> The official and de facto national language of Bangladesh is Modern Standard Bengali (Literary Bengali). It serves as the lingua franca of the nation, with 98% of Bangladeshis fluent in Bengali (including dialects) as their first language . English, having no official status, is prevalent across government, law, business, media and education, and can be regarded as the de facto co-official language of Bangladesh (see Bangladeshi English). Hindi is understood by some as a foreign language . </P> <P> The indigenous people of northern and southeastern Bangladesh speak a variety of native languages . </P>

What is the most common language spoken in bangladesh