sentences:  Since Duleep Singh's exile, the rate of Sikh migration from the Punjab has remained high; however the destination for Punjabi Sikh migrants has changed during the ensuing 150 years.The development of the Punjabi Sikh diaspora concept has given diaspora Sikhs a conscious political and cultural identity, which forms a reference point for their 'Sikhism'.With approximately 27 million worldwide Sikhs are adherents to the fifth-largest religion in the world, Sikhism, making up 0.39% of the world population.