There were 14,709 births in quarter 4 2017, 31 births, or 0.2%, less than the same period in 2016.  This corresponds to a birth rate of 12.3 per 1,000 population, a decrease of 0.1 from quarter 4 2016.

There were 7,115 deaths in quarter 4 2017, an increase of 2.3% (or 160 deaths) from quarter 4 2016. This equates to a death rate of 5.9 per 1,000 population, the same rate as quarter 4 2016.

There were 39 infant deaths registered in quarter 4 2017 giving an infant mortality rate of 2.7 per 1,000 live births.

The number of births less the number of deaths in quarter 4 2017 resulted in a natural increase of population of 7,594 persons.