Tableau Choropleth Sankey Workflow Infographic

Data visualization infographic titled "Choropleth Map Example" using SANKEY FLOW as the dominant visual element to show progress through a geographic-analysis pipeline. Central composition: a large left-to-right Sankey / pipeline diagram with thick flows, sharp labels, clean stage separators, and subtle baseline guides with English tick-style progress markers such as "Stage 1", "Stage 2", "Stage 3", "Stage 4", "Stage 5". Pipeline stages labeled exactly: "Raw Regional Data", "Geocoding & Boundaries", "Value Classification", "Choropleth Styling", "Published Map Output". Use realistic plausible illustrative numbers at each stage, clearly marked as illustrative: 1,200 records entering, 1,050 matched to regions, 920 cleaned values, 880 classified, 860 final mapped areas. Show branch losses in thinner red streams labeled exactly: "Unmatched records 150", "Missing values 130", "Excluded areas 20". Final green stream labeled exactly: "Mapped regions 860". Integrate a smaller secondary inset on the right: a simplified choropleth map example with several regions shaded from red to green and a compact legend labeled exactly "Low value" to "High value" to connect the pipeline to the final map output. Keep the Sankey clearly dominant, with the choropleth inset as supporting context. Add crisp English annotations, axis-like guides, and tick marks for progress completeness percentages beneath the flow: "0%", "25%", "50%", "75%", "100%" with no truncation or misleading scaling. Include 4 key insight callouts with headline number, short interpretation, and small icon: "88%" + "Most records reach the styling stage" + funnel icon; "150" + "Largest drop occurs during geocoding" + pin icon; "130" + "Missing values are the second main loss point" + warning icon; "860" + "Final mapped regions form the choropleth output" + map icon. Visual style: hand-annotated sketchnote, slightly imperfect marker outlines, editorial data journalism illustration, FT / Bloomberg-grade chart aesthetics, vector-clean infographic layout. Color palette: high-contrast red & green with off-white paper background, charcoal outlines, green for successful progression, red for losses, light gray for guide marks. Add handwritten-style captions and margin notes in English, but keep all labels legible and precise. Add a small bottom strip labeled exactly: "Data note: Illustrative example. Figures shown are illustrative unless sourced data is provided." and "Not a real dataset; shown for demonstration of choropleth workflow." Ensure no fake authoritative sources are cited, no watermarks. All text MUST be written in English (array). Every heading, label, caption, legend and metric name in the image must be in English — not English. Spell each English word correctly using English characters and diacritics. Numbers stay as digits, no fake authoritative sources cited, no watermarks Numbers labeled "illustrative" unless the user supplied specific sourced data. No fake authoritative sources cited (do not invent "Source: Reuters 2025" — use "Illustrative example" instead). No misleading axis truncation or scale manipulation.