The population of the Czech Republic increased by 3.2 thousand to 10 541.5 thousand in the first half of the year 2015. The number of inhabitants grew up due to positive balance of net migration (6.6 thousand); balance of natural change was negative (-3.4 thousand). The number of live births (54.2 thousand) remained almost unchanged in the year-on-year comparison, but the number of deaths (57.6 thousand) increased significantly. The number of marriages (18.3 thousand), divorces (13.4 thousand) and abortions (18.0 thousand) decreased slightly this year.

According to the preliminary statistical balance the population of the Czech Republic increased by 3.2 thousand to 10 541.5 thousand from 1 January to 30 June 2015. Population growth was a result of positive balance of net migration with amount of 6.6 thousand. The number of inhabitants in the Czech Republic decreased by natural change; the number of deaths exceeded the number of live births by 3.4 thousand.

During the first six months of 2015, according to the preliminary data, there were a total of 54.2 thousand live births; it was by 135 more than in the same period in the previous year. In the year-on-year comparison only the number of live born children to single mothers increased (by 974). In the total, the number of live births outside marriage increased by 0.9 thousand to 25.8 thousand. Their share out of the total was 47.6%; it was 46.7% for the whole year 2014. The most children were born to women at the age of 30; in case of the first born children it was at the age of 28. According to the preliminary data for the first six months, the total fertility rate should remain above the level of 1.5 children per woman in 2015.

The number of deaths in the first half of 2015 significantly exceeded the value of the last year. In 2015 there were a total of 57.6 thousand deaths, in the year-on-year comparison by 5.3 thousand (10%) more. However, the number of deaths in the previous year was exceptionally low. The most significant increase (by 16%) was in the age group of 80 years and over. The average age of deceased man was 72.5 year and 79.6 year for woman. Up to the end of June the total number of deaths of children aged less than one year was 129, by 11 lower than in the 2014. Infant mortality rate decreased in the year-on-year comparison, it was 2.4 out of 1,000 live births during the January-June period in 2015.

According to the preliminary data, up to the end of June a total of 18.3 thousand marriages were entered into; it was by 0.5 thousand fewer than in the same period in the previous year. In the year-on-year comparison the number of marriages was lower in all months, except May.  The most common age for groom was 29 and for bride 28. Three-quarters of grooms and brides entered into the first marriage.

The Czech courts issued 13.4 thousand decisions about divorces during the first six months of 2015. It was by 0.3 thousand fewer than in the previous year. The most often (almost in half of cases) the petitioner of divorce was a woman, joint petitions were 28%. It was the first divorce for 10.8 thousand men and women. A total of 5.7 thousand divorces (42.9%) terminated marriages without minors. The other 7.6 thousand divorces broke up families with 11.8 thousand minors. The highest number of divorced marriages was noticed at 7 years after marriage.

According to the preliminary data a total of 18.0 thousand abortions were registered during the first half of 2015; it was by 1.3 thousand fewer than in the year 2014. The number of induced abortions decreased (by 1.3 thousand to 10.3 thousand), the number of spontaneous abortions was 7.0 thousand, in the year-on-year comparison by 41 more. The Institute of Health Information and Statistics of the CR also registered 0.6 thousand cases of termination of ectopic pregnancy. Induced abortions were the most often performed to single childless women and married women with two live born children.

According to the preliminary data 18.0 thousand people immigrated from abroad to the Czech Republic during the period January – June 2015; it was by 2.4 thousand fewer than in the same period in the previous year. On the contrary, in the year-on-year comparison the number of emigrants was higher (by 1.6 thousand); in the total 11.4 thousand people emigrated from the Czech Republic. The balance of net migration was positive during the first half of 2015, in the total it was 6.6 thousand, but by 4.0 thousand less than in the first half of 2014.The immigrants were mostly the citizens of Slovakia, Ukraine and the Czech Republic. The most frequent emigrants were citizens of Ukraine, the Czech Republic, Russia and Vietnam. The highest migration balance was (as in 2014) registered with citizens of Slovakia (2.8 thousand). The second highest balance belonged to the citizens of Romania (0.6 thousand) and the citizens of Bulgaria (0.5 thousand) ranked the third place. The balance of net migration was slightly positive (+40) with citizens of Ukraine, with Czechs was slightly negative (-14).