The stacked bar chart stacks bars that represent different groups on top of each other. The height of the resulting bar shows the combined result of the groups. However, stacked bar charts are not suited to datasets where some groups have negative values.
The Bakongo, or the Kongo people (Kongo : âhuntersâ), also referred to as the Congolese, are a Bantu ethnic group who live along the Atlantic coast of Africa from Pointe-Noire (Republic of Congo) to Luanda, Angola. They are primarily defined by the speaking of Kikongo, a common language.he Bakongo, or the Kongo people (Kongo : âhuntersâ), also referred to as the Congolese, are a Bantu ethnic group who live along the Atlantic coast of Africa from Pointe-Noire (Republic of Congo) to Luanda, Angola. They are primarily defined by the speaking of Kikongo, a common language.
Over 200 ethnic groups populate the Democratic Republic of the Congo, of which the majority are Bantu peoples. Together, Mongo, Luba and Kongo peoples (Bantu) and Mangbetu-Azande peoples constitute around 45% of the population.rench is the official language of the Democratic Republic of the Congo. It is culturally accepted as the lingua franca facilitating communication among the many different ethnic groups of the Congo. According to the 2014 OIF report, 33 million Congolese people (47% of the population) can read and write French.