Jainism follow the main 5 things which all religion agree 1, not to hurt anyone, 2 do not steel, 3 do not lie, 4 do not posses execive and 5 Brahmchrya means do not forget that you are soul not body. These followed by all religions of world and should be. Why people thing Jainism is cult ,not religion, because it teaches how to become God .There is only religion on earth tell that all human can become God(George Bernard Shaw said this)
Jainism is a religion, not a part of any other religion
Allover the world
As per Indian constitution Jainism is a religion. Also it is clear from supreme court's decision: Jainism is "indisputably is not a part of Hindu Religion" One can get more details here: http://en.wikipedia.org/wiki/Legal_status_of_Jainism_as_a_distinct_religion_in_India
No, Sikhism is part of Dharmic religions along with Hinduism, Buddhism, and Jainism.
The biggest difference between Judaism and other religions is that Judaism has few if any converts. If you are not born into the religion, then you are not part of that religion. Buddhism, Christianity, Islam, Sikhism, Jainism all welcome converts.
Hinduism is mailnly followed in south east asia. Countries such as India, Nepal , Myanmar & Mauritius. Also in minority Hinduism is practiced world wide.
In what part of the world? What country?
no
The Catholic religion may be found in virtually every part of the inhabited world.
A paper on the Boston University website claims that Gandhi was brought up as a Hindu as that was the religion that his mother and other family members practiced.
Antartica
It depends entirely on what part of the world you are talking about.