In the demographic transition fertility grew due to increasing marriages. The growth of marriages was due to the fact of rising demand for labor. The age of marriages fell in England, which meant couples were having children even sooner. Between 1720 and 1760 there were high birthrate, each family had an average of seven children.
The low mortality rates were the result of a healthy populations. Due to high living standards. There was a drop in illnesses, warfare and starvation.
Economic specialization and living standards were high. The English colonies had the resources to maintain a high level of living, few of the colonist