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This article is about the demographic features of the population of the Democratic Republic of the Congo, including ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population.

As many as 250 ethnic groups have been distinguished and named. The most numerous people are the Luba, Mongo, and Bakongo.

Although 700 local languages and dialects are spoken, the linguistic variety is bridged both by the use of French and the intermediary languages Kongo, Luba-Kasai, Swahili, and Lingala.

The population of Africa has grown rapidly over the past century, and consequently shows a large youth bulge, further reinforced by a low life expectancy of below 50 years in some African countries. The population doubled in the period 1982–2009 and quadrupled from 1955–2009, according to United Nations estimates. The total population of Africa is estimated at 1 billion (as of November 2009.)

Humour or humor (see spelling differences) is the tendency of particular cognitive experiences to provoke laughter and provide amusement. The term derives from the humoral medicine of the ancient Greeks, which taught that the balance of fluids in the human body, known as humours (Latin: humor, "body fluid"), control human health and emotion.

People of all ages and cultures respond to humour. The majority of people are able to experience humour, i.e., to be amused, to laugh or smile at something funny, and thus they are considered to have a sense of humour. The hypothetical person lacking a sense of humour would likely find the behaviour induced by humour to be inexplicable, strange, or even irrational. Though ultimately decided by personal taste, the extent to which a person will find something humorous depends upon a host of variables, including geographical location, culture, maturity, level of education, intelligence and context. For example, young children may favour slapstick, such as Punch and Judy puppet shows or cartoons such as Tom and Jerry. Satire may rely more on understanding the target of the humour and thus tends to appeal to more mature audiences.