Birth Rate: Birth rate refers to the number of live births per 1,000 people in a given population during one year. Changes in birth rates greatly impact demographic shifts.
Migration Patterns: Migration patterns refer to movements of people from one place to another for various reasons. Changes in migration patterns can contribute to demographic shifts by altering the population composition of different regions.
Social Norms: Social norms are unwritten rules or expectations within a society that influence behavior and attitudes. Shifts in social norms, such as delayed marriage or smaller family sizes, can lead to demographic changes.