There are 7097 languages in the world, including 2140 languages in Africa, despite this mosaic linguistic, the majority of countries have kept the colonizer's official language. According to the Ethnologist, reference in terms of linguistics at least 16 languages have extinct in the past year . Of course, languages have died since the night of time. What is alarming today is the speed with which they disappear.
According to UNESCO it is more than 50% to 90% of the languages which will probably disappear during this century if no promotion of them is made. Losing half of the world's languages would mean losing half of our cultural wealth, our heritage.