Bangladeshi people or Bangladeshis are people who are citizens of Bangladesh. Bangladesh is a nation since the 1971 Bangladesh Liberation War. Today they are the ethnic people of the Bengal region (who are now politically divided between the nation of Bangladesh and the Indian state of West Bengal) in South Asia. They possess a rich culture and a language of their own called Bengali (বাংলা Bangla). Their main staple food is fish and rice. Today Substantial populations with Bangladeshi ancestry, as a result of emigration, exist in many different parts of the world, most notably in United Kingdom, Middle East, Southeast Asia and North America. Population estimates vary from a conservative 7 million to 10 million diaspora.