Population pyramid
Shows the distribution of a scale variable (usually age bands) for two groups back to back.
Menu: Graphs → More charts → Population pyramid…
When should I use it?
- Comparing the age structure of two groups.
What are the assumptions?
- A split variable with exactly two groups.
How do I run it in StatLab?
- Choose the distribution and split variables.
How do I read the output?
| Output | Meaning |
|---|---|
| Bars | Counts (or percent of total) per band for each group. |
What are common mistakes?
- Using unequal band widths.