A 2D stacked chart where both column width and height carry meaning, showing market share in two dimensions. Column width represents category size while stacked segments show the internal breakdown.
What Kind of Space Missions, When — Activity by Decade
Best for
- Market share analysis across segments
- Showing two dimensions of data simultaneously
- Comparing composition and size of categories side by side
Avoid when
- Audience is unfamiliar with variable-width columns
- Too many segments make the chart cluttered
- Only one dimension of comparison is needed
Alternatives: Stacked Column