In the modern world has up to 4 thousand people (ethnic groups). People (from the Greek - tribe people ) - stable community of people that was discovered in a particular area, has its own language, culture and mentality.
Common language has been and remains an important factor in bringing people together in tribes - peoples - nations - nations. Among them the most (100 million) people: Chinese (more than 1 billion people.), Hindustantsi (more than 220 million people.), Americans USA (about 200 million people.), benhaltsi (about 180 million people.), Russians (about 145 million pers.), Brazilians (about 140 million people.), Japanese (about 120 million people.).
every nation has its own peculiar language, but there are cases where one language some people speak, and vice versa - a separate group of people posluhovuyutsya different languages. Language affinity underlies the classification of peoples. Allocate about twenty language families, which are divided into linguistic groups.
are mostly Indo-European family, language which says about 50% of the population (over 150 nations and nationalities). As part of this distinguished family of 11 language groups, the largest among them is analising, Romance, Germanic, Slavic, Iranian .
second major language family is hay-Tibetan ( Sino - Tibetan ). Its language says about 22% of the population. Followed Altaic, Niger-kordofanska, afraziyska (hamitska-Semite) and others.
Some common languages are Chinese, English, Hindi, Spanish and Russian. Ukrainian language belongs to Indo-European language family, the Slavic language group.
for national (ethnic) composition of the population of all countries share odnonatsionalni and the multinational. Odnonatsionalni country arise when the same ethnic boundaries and political boundaries. These nations are in Europe, Latin America, south-western Asia. And majority in the world are the multinational countries (India, Pakistan, China, Russian, United States, Indonesia, etc.). There is dvonatsionalni countries: Belgium, Canada. For multinational states are characterized by a federal administrative divisions. Unitary countries are generally odnonatsionalnymy.