Abstract
The Czech Republic became the homogenous country from the nationality aspect after the World War. In 2001, the proportion of the Czech nationality (there also Moravian and Silesian) formed 94 - 95 % of the population.
The share of the next nationality - Slovak has been falling since the 1993 in consequence with the split of the Czechoslovakia on 1,9 %. Among non-Slovak nationality the most frequent nationalities were Polish and German, concentrated in areas near the Czech-Polish and Czech-German border.