In the year 2000, according of calculation of linguists, there were more than 6000 languages that were using in world, that most of them were talked thousand even less. These quantities until the year 2100 in a century will be reduced to half. It means that every 12 day is death of a language. Also most of native and national culture accompanying with language wile be deposited to history museum. The language which the more people talk with it for example Persian, will take along time to be forgotten. Some people believe that languages won't be death if it's national and be as seat of economic or technique. Also is believed that the people who love their language, that languages will not never die.