The Barak Valley comprising the present districts of Cachar, Karimganj and Hailakandi is contiguous to Sylhet, where the Bengali Hindus have been settled for centuries. The Bengali Hindus settled in the Brahmaputra Valley mainly during the colonial period as professionals. After the Partition and especially after the genocide of 1950, Bengali Hindus of Sylhet immigrated to the Barak Valley. Later on during the 1971 Bangladesh genocide, thousands of Bengali Hindus took refuge in Assam. The Bengali Hindu organizations estimate that there are approximately 6.5 million Bengali Hindus in the state.
The Bengali Hindus started migrating into the United Kingdom from the colonial times. However, the majority of the immigrants settled in the UK in the latter half of the 20th century mostly with white collar jobs. The exact population of the Bengali Hindus are not maintained in the census records. Project Joshua estimates the Bengali Hindu population of Bangladeshi origin to be around 33,900. It is estimated that in there are more than 30,000 Bengali Hindus in the Greater London area. In Italy, the Bengali Hindus celebrate Durga Puja in Bologna, Brescia, Rome and Milan. There are around 150 Bengali Hindu families in Paris. The Bengali Hindus began to migrate to Germany in the 1950s and the 1960s. Notable Bengali Hindus in Europe include British Communist leader Rajani Palme Dutt, German politicianAnita Bose Pfaff, German football managerRobin Dutt, and the richest hotelier of Sweden Bicky Chakraborty.
North America
According to the Canadian Encyclopedia the Bengali Hindus began to arrive in Canada as professionals in the 1960s. However, other scholars have put the date in the 1970s. In 1991, there were an estimated 2,000 Bengali Hindus living in Canada, mainly from India. However, after the IT boom in the late 1990s, more and more professionals began to settle in Canada. According to the 2006 census, there are 12,130 Bengali Hindus in Canada. The Bengali Hindus are mostly concentrated in the cities of Toronto, Ottawa, Montreal, Edmonton, Calgary, Vancouver and Halifax. The earliest Bengali Hindus in the United States were the revolutionaries fighting for Indian independence. They arrived in the first few decades of the twentieth century. Examples include Noni Gopal Bose, the father of Bose Corp's Amar Bose. In 1913, the Bengali Hindu Akhoy Kumar Mozumdar became the second Indian-born person to get U.S. citizenship. Later the citizenship was stripped from him for not being White/Caucasian. In the 1960s, professionals began to settle in the United States. The present Bengali Hindu population is around 47,600. According to the 2006 census, there were around 33,400 Bengali Hindus of Indian origin in the United States.