Global stratification reveals stark disparities in wealth, power, and living standards across nations. High-income countries enjoy advanced economies and technology, while low-income countries struggle with widespread poverty and limited resources. This unequal distribution stems from historical factors like colonialism and continues to shape global dynamics today. Measuring global inequality involves tools like the Gini coefficient and Human Development Index. Theories such as modernization, dependency, and world-systems attempt to explain these disparities. Factors contributing to global stratification include historical legacies, geography, politics, economics, and social conditions, all of which impact individuals and societies worldwide.