In the context of the demographic transition model or any other process with multiple stages or steps, phase refers to distinct periods or steps that mark different points in the progression or development of that process.
Related terms
Transitional Phase: A phase within the demographic transition model where both birth rates and death rates are high, resulting in slow population growth.
Industrialization Phase: A phase within the demographic transition model characterized by declining death rates but still high birth rates, leading to rapid population growth.
Post-Industrial Phase: The final phase of the demographic transition model where both birth rates and death rates are low, resulting in stable or slowly growing populations.