Colonialism based on territorial conquest has become a legacy of the past but economic and military disparities between the former colonies and the metropolitan powers are substantial even today. The history of the struggle against colonial rule is important not merely to understand the evolution of countries in Africa and Asia but also the regimes that emerged after independence. A comparative study of anti-colonial movements is easier now on the basis of the published works available. In this paper we will discuss the growth of anti-colonial movements in Asia and Africa.