This study explores the impact of decolonization on international relations, focusing on the transformation of the modern world through power, education, and human resources. It discusses the concepts of coloniality and colonialism, the decolonization of power, the effects on population and GDP growth, and the analysis of knowledge and education. The study concludes that decolonization has enabled the development of knowledge and education, leading to the growth of decolonized countries and their trade relations with developed nations.