Population of Indians Worldwide

Worldwide there are an estimate of 25 million Non-Resident Indians (NRI) and Persons of Indian Origin (PIO) living in countries other than India. Those estimates vary between 25 to over 30 mio. The entire NRI population is dominated by people from the southern indian states. According to recent estimates, over 54% of NRIs have their origin in South India, while only 23% are from the North, followed by 19% from the West and only 5% from East India. More details:

Population of Indians Worldwide

Country	Number of Indians	Remarks
India	1,166 mio	Diwali Festival Celebrations in Mumbai, Delhi, Bangalore, Jaipur, Pune, Kolkata, Chennai, Tamilnadu, Hyderabad, Ahmedabad, Srinagar, Agra, Surat, Kanpur, Nagpur, Indore, Bhopal, Thane, Ludhiana, Lucknow, Nashik, Vadodara, Rajkot, Meerut, Patna
Nepal	4.0 mio	14% of population, Deepavali is called "Tihar" and "Swanti" here
USA	2.8 mio	most Indians in California (Cupertino, Los Angeles, Freemont, Palo Alto), New York City (NYC), Atlanta/Georgia, Indianapolis/Indiana & New Jersey
Myanmar / Burma	2.0-2.9 mio	2% of population, estimates vary significantly
Malaysia	2.1 mio	8% of population, most Tamil (also Malayalam- & Telugu speaking), called "Hari Diwali" here, Celebrations in Kuala Lumpur (KL)
United Arab Emirates	1.5 mio
Saudi-Arabia	1.5 mio
United Kingdom (UK)	1.4 mio	2.7% of population (2nd largest ethnic minority in Britain), most in London, Leicester is famous for it's Diwali celebrations
South Africa (RSA)	1.2 mio	most living in eastern regions of Natal and Transvaal
Canada	970,000	more than 70% of Indians live in Toronto/Ontario, Vancouver & Calgary
Mauritius	860,000	63-70% of population (80% are Hindus)
Sri Lanka	850,000
Kuwait	580,000
Trinidad and Tobago	550,000	Chaguanas hosts the Divali Nagar site
Oman	450,000
Singapore	400,000	3rd largest ethnic group (9-10%), most prominent in Little India District
Fiji	340,000
Guyana	330,000	33% of population
Australia	260,000	1.2% of population, celebrated in Melbourne (Sandown Race Course)
Rèunion	220,000
Netherlands	217,000
Suriname	180,000
Bahrain	150,000
New Zealand	105,000
Yemen	101,000
Kenya	100,000
Tanzania	90,000
Uganda	90,000
Jamaica	90,000
France	75,000
Italy	72,000
Portugal	70,000
Thailand	65,000	Diwali is called "Lam Kriyongh" here
Indonesia	55,000	2% of population, Bali is known for it's Diwali Festival celebrations (the majority here are Indians)
Guadeloupe	55,000
Israel	45,000
Philippines	40,000
Hong Kong	40,000
Germany	35,000
Cuba	34,000
Japan	21,000

Note: All numbers are estimates from various sources without any warranty.

 http://en.wikipedia.org/wiki/Non-resident_Indian_and_Person_of_Indian_Origin