National Statistical Institute
The main results from the National Statistical Institute (NSI) annual comprehensive surveys characterizing the activity of educational institutions are as follows:
• In the 2018/2019 academic year in kindergartens are enrolled 218.8 thousand children or with 1.0% less in comparison with the previous year.
Six district centers have increased the number of their residents last year. In 2017 Targovishte joined Varna, Veliko Tarnovo, Kardzhali, Plovdiv and Sofia of cities that increased their population. This shows a BTA survey of population data by cities and gender as of 31 December 2018 of the National Statistical Institute (NSI).