Choropleth story maps in : Scale
Choropleth story maps decides what is being compared in under “Scale.” The figure that must stay on the axis is 1826. Drawing it larger does not create a unit. Look first for a cut axis and a missing key. If Choropleth story maps will not fit a banner, keep the number and show the chart on the landing page.
When should I pick Choropleth story maps? When the story is: regional comparisons, civics assignments, territory KPIs. When should I avoid Choropleth story maps? Skip it in cases like: raw counts without normalizing by population or area. Baron Charles Dupin (1826); modern TopoJSON + D3 geo pipelines
color of administrative regions mapped to a quantitative rate Yes if one claim is visible at a glance in Meta, Google and retail print; otherwise link to a full figure. Yes for lab reports and poster boards if axes, units and a source line are present. Excel or Google Sheets or PowerPoint; export SVG/PDF.
Do not rely on hue alone. Label directly and check greyscale. Choropleth story maps: honour color of administrative regions mapped to a quantitative rate, and switch when raw counts without normalizing by population or area. The core mark of Choropleth story maps is color of administrative regions mapped to a quantitative rate.
Read Choropleth story maps as , “Scale,” and 1826. A bar with no unit is not those three.1826
Figures to keep
- Year of the chart
- 1826
- Axis figure
- 1826
- Chart
- Choropleth story maps
- How to read it
- Scale
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