There is a widespread tendency for people to favour their own group over another group. This tendency has been variously labelled as ethnocentrism, intergroup bias, in‐group favouritism or in‐group /out group differentiation. It denotes a cultural narrowness in which the ethnically centred individual rigidly accepted those of the in‐group while rejecting those of the out‐group. In other words, Ethnocentrism is the point of view that one's own way of life is to be preferred to all others. Flowing logically from the process of early enculturation, it characterizes the way most individuals feel about their own culture, whether or not they verbalize their feeling. Therefore this essay will discuss what is understood by the term ethnocentrism and show how Ethnocentrism is bad in national politics. Firstly will define what ethnocentrism is, and discuss fully what is understood by the term. Secondly will show how ethnocentrism is bad for national politics. Thereafter a clear and concise conclusion will be drawn. Different scholars have given their understanding of the term ethnocentrism. According to anthropologists, the concept combines the belief that one’s own culture is superior to other cultures, with the practice of judging other cultures by the standards of one’s own culture (Den Van, 1970). Ethnocentrism is also defined as a feeling that one’s own group has a mode of living, values and patterns of adaptation that are superior to other groups. Ethnocentrism is a human universal phenomenon. It is believed by some scholars to be as old as the human race. This stand is justified thus right from childhood we learn what is good, moral, civilised and normal according to our culture. As a human universal reality, ethnocentrism is said to be more pronounced in modern nations than in pre-literate tribes. The term ethnocentrism was first used in 1906 by Sumner to