The socio-political structure of the Kingdom of Kongo was characterized by a hierarchical system with the king at the top, followed by the nobility and the common people. The king, known as the Manikongo, held significant power and authority, serving as the political and spiritual leader of the kingdom. The position of the king was hereditary, and his authority was upheld through a complex system of governance that included various officials and councils.

Beneath the king were the nobility, who held important administrative and military roles within the kingdom. They were tasked with overseeing the different provinces and managing local affairs. The common people, including farmers, artisans, and traders, formed the majority of the population and played vital roles in sustaining the kingdom's economy and society.

The political structure of the Kingdom of Kongo also involved a system of tribute and taxation, where the local leaders and communities contributed resources to the central authority. This helped the king maintain his court and administration while also reinforcing his control over the various regions of the kingdom.

Overall, the socio-political structure of the Kingdom of Kongo was defined by a centralized authority under the king, a noble class with specific duties and responsibilities, and a multi-tiered system that supported the functioning of the kingdom. This structure provided stability and governance within the kingdom, contributing to its significance in the broader context of Central Africa.