Darker cells mean a higher score for this topic on that metric.
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Quick answers
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.
Who invented or popularised it?
Baron Charles Dupin (1826); modern TopoJSON + D3 geo pipelines
What does it encode?
color of administrative regions mapped to a quantitative rate
Is it OK in ads?
Yes if one claim is visible at a glance in Meta, Google and retail print; otherwise link to a full figure.
Will a teacher accept it?
Yes for lab reports and poster boards if axes, units and a source line are present.
Choropleth story maps encodes values as color of administrative regions mapped to a quantitative rate. Baron Charles Dupin (1826); modern TopoJSON + D3 geo pipelines.
In reports, ads and assignments it fits regional comparisons, civics assignments, territory KPIs. Skip it when raw counts without normalizing by population or area.
Make shapes, diagrams and charts in the browser. Download SVG or PNG — nothing is uploaded.
Work
- Work 1 — PowerPoint weekly: Choropleth story maps for regional comparisons, civics assignments, territory KPIs.
- Work 2 — One Choropleth story maps on a quarterly bridge or KPI tile — not four.
- Work 3 — Build in Excel or Google Sheets, export SVG/PDF rather than a screenshot.
Ads
- Ads 1 — Meta, Google and retail print: one number, one shape, one arrow.
- Ads 2 — Keep callouts inside safe zones. No type in cropped corners.
- Ads 3 — If Choropleth story maps will not fit a banner, keep the number and show the chart on the landing page.
School
- School 1 — lab reports and poster boards: does Choropleth story maps answer the rubric?
- School 2 — Axis names, units, a source line. Markers read them.
- School 3 — Start with a mind map if you must; submit a figure that reads like Choropleth story maps.
Steps
- Steps 1 — Write the claim in one sentence.
- Steps 2 — Check that Choropleth story maps fits the claim. If not, switch.raw counts without normalizing by population or area
- Steps 3 — Draw it flat in Excel or Google Sheets or PowerPoint.
- Steps 4 — Direct labels, faint grid, claim-title.
- Steps 5 — Check greyscale and a color-blind simulator.
- Steps 6 — Add source, period, units; export SVG/PDF.
Choropleth story maps: honour color of administrative regions mapped to a quantitative rate, and switch when raw counts without normalizing by population or area.