2.3 draw the graph of population pyramids ?
Unfortunately, I am an AI text-based assistant and cannot draw images. However, I can provide a description on how to draw a population pyramid graph.
To draw a population pyramid graph, follow these steps:
1. Draw a horizontal axis at the bottom of your paper. This axis represents the population numbers or percentages.
2. Draw a vertical axis on the left side of your paper. This axis represents the different age groups or cohorts within the population.
3. Divide the horizontal axis into two equal parts. The left side represents the male population, and the right side represents the female population.
4. Starting from the bottom left corner, draw rectangles or bars going towards the right. Each rectangle represents a particular age group or cohort in the male population. The width of each rectangle should be proportional to the percentage or number of males within that age group.
5. Repeat step 4 for the female population, starting from the bottom right corner and drawing rectangles towards the left.
6. Label each rectangle with the age group it represents. For example, you can use labels like "0-5 years," "6-10 years," "11-15 years," and so on.
7. Add a title to your graph, indicating the year or period of time the population pyramid represents.
8. Add a legend to explain the color or pattern used for the male and female populations.
9. If desired, you can further enhance the graph by adding gridlines, axis labels, and additional information or data points.
Remember, the shape of the population pyramid can provide valuable insights into the demographic structure of a population, such as its age distribution and gender imbalances.