According to INS, the natural growth factor of the population was negative in January 201, with 6.495 people, down from January 2017, when it reached 13.704 people.
In January 2018 there was recorded the birth of 17.128 children, 2.001more than in december 2017.The number of deaths recorded in January was 23.623, 477 more than in December.
The number of deaths for infants under the age of 1 for the month of January was 110, with 5 more than december 2017. In January 2018, there were recorded 5.616 new marriages, with 973 less than december 2017. The number of divorces was 753, with 1.998 less than december 2017.