Multiple columns grouped side by side for each category to compare sub-groups. This layout makes it easy to compare individual values across groups while still seeing the overall pattern per category.
Space Agency Budgets by Program Type (2024, $B)
Best for
- Directly comparing sub-group values across categories
- Showing performance of multiple items side by side
- Highlighting relative differences between grouped items
Avoid when
- There are too many sub-groups causing visual clutter
- You need to show cumulative totals — use a stacked column
- Categories have very different scales