The number of births is 5,592 on the second quarter of 2018, by experiencing a decrease by 25.3 % compared to the second quarter of 2017. The number of deaths is 4,823 on the second quarter of 2018, by experiencing a decrease by 2.2 % compared to the second quarter of 2017.

During the second quarter of 2018, the number of births over passes with 769 the number of deaths.

The population natural increase on the second quarter of 2018 shows a decrease by 69.9 % compared to the second quarter of 2017.