Final answer:
During the Postindustrial stage of the Demographic Transition Model, the birth and death rates are low, resulting in a stabilized population.
Step-by-step explanation:
During the Postindustrial stage of the Demographic Transition Model, the birth and death rates are both low, resulting in a stabilized population. This is because as countries become more urbanized and industrialized, there is usually a higher standard of living and smaller family sizes. In this stage, there is typically a high level of growth in the industrial and service sectors, with a greater need for infrastructure and social services.