What is demography?

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Demography**: Demography is defined as the scientific study of human populations. It focuses on understanding various aspects of populations, particularly humans.

2. **Key Aspects of Demography**: The study of demography primarily involves three key aspects:
- **Size**: This refers to the total number of individuals in a population.
- **Structure**: This involves the composition of the population, such as age distribution, gender ratio, and other demographic characteristics.
- **Growth/Development**: This aspect looks at how populations change over time, including increases or decreases in size and the factors influencing these changes.
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