Hinduism (/ˈhɪnduɪzəm/) is an Indian religion or dharma, a religious and universal order or way of life by which followers abide. As a religion, it is the world's third-largest, with over 1.2–1.35 billion followers, or 15–16% of the global population, known as Hindus. (Hindi) सनातन' का अर्थ है - शाश्वत या 'सदा बना रहने वाल Oldest religion in the world with proof •Hinduism holy book, What is the oldest religion, How old is Hinduism, Facts about Hinduism, Oldest religion in the world with ,proof