Overview
Age structure diagrams, or population pyramids, are essential tools in demography that visually represent the distribution of age and gender within a population. They help us understand the current demographic makeup and predict future trends, which is crucial for planning in areas like healthcare, ...
Key Terms
Example: A population pyramid showing a large base indicates a high birth rate.
Example: The 0-4 age cohort includes all individuals aged 0 to 4 years.
Example: Countries with high fertility rates often have expansive pyramids.
Example: A constrictive pyramid indicates fewer young people compared to older individuals.
Example: A gender ratio of 105 males for every 100 females is common in many societies.
Example: Countries in stage 4 of demographic transition have low birth and death rates.