Wikipedia claims five to six million followers.
Bahá'ís, which means "followers of the Glory [of God]."
In Hindi, the word "Bahai" refers to the Bahá'í Faith, a religion that originated in 19th-century Persia (now Iran). It is an independent world religion that emphasizes the unity of humanity, the equality of all people, and the importance of spiritual and moral development. The followers of the Bahá'í Faith are known as Bahá'ís.
The Bahai Faith does not use any code in its scriptures, which everyone is encouraged to read for themselves. See the Bahai Reference Library for a good selection of Bahai scriptures, all for free. The Bahai community today also does not use codes, secret handshakes, etc..
The Bahá'í Faith was first established in Botswana in 1955.
Bahai faith
William McElwee Miller has written: 'Baha'ism' -- subject(s): Babism, Bahais 'The Bahai cause today' -- subject(s): Bahai Faith 'Baha'ism, its origin, history, and teachings' -- subject(s): Bahai Faith
their are only one major branch which is called the Baha'i world faith
Try Baha-u-Illah and also search on the Bahai Faith.
A Bahai is a disciple of Baha'u'llah and his son Abdu'l-Baha. Baha'u'llah was a Persian nobleman who founded the Bahai Faith, a new religion teaching world unity. He was imprisoned and banished and exiled, until he was eventually sent to Akka in the north of Israel. There's a good wikipedia page on the Bahai Faith.
As of 2012, no country has a Bahá'í majority.
The Bahai Faith started in Iran when the Bab inaugurated a new era in the history of the human race. The Bahais belief that the 'Promised One' of all ages and peoples, Bahaullah revealed himself in 1863. He dispatched one of the distinguished Bahai teachers, Jamal Effendi to India to spread the teachings of the Bahai faith in the years 1874-75. The Bahais believe Bahaullah as the Universal Manifestation of God whose advent has been prophesied in all the Holy Scriptures. It is estimated that there are at present nearly 2.3 million Bahais in India.