 By then, the Great Experiment had seen the transportation of an estimated two million people throughout the world, with Mauritius welcoming the largest contingent of indentured labourers, reaching nearly half a million Indian immigrants.In total, 1.2 million Indian migrants were handled by emigration depots worldwide, becoming the global working class of the British Empire.On a larger picture, the migration of indentured labourers is but a small portion of the Indian diaspora, which has continued through the 20th century to contemporary times.