Population change is influenced by three main components:
1. Birth Rate: The number of live births per 1,000 people in a given year. Factors affecting birth rates include cultural norms, economic conditions, healthcare availability, family planning access, and government policies.
2. Death Rate: The number of deaths per 1,000 people in a year. A high death rate can indicate poor healthcare, while a low death rate suggests better healthcare systems and higher life expectancy.
3. Migration: The movement of people from one region or country to another. Migration can be internal or international and is often driven by economic opportunities, political stability, natural disasters, or conflicts.