worldmap.json

{
  "config": {"view": {"width": 300, "height": 225}},
  "data": {
    "url": "world_topo_sans_antartica_highres.json",
    "format": {"feature": "areas", "type": "topojson"}
  },
  "mark": {"type": "geoshape", "stroke": "black"},
  "encoding": {
    "color": {
      "type": "quantitative",
      "field": "adoption",
      "scale": {"scheme": "greens"}
    },
    "tooltip": [
      {"type": "ordinal", "field": "id"},
      {"type": "quantitative", "field": "adoption", "format": ".2f"}
    ]
  },
  "height": 225,
  "projection": {"type": "conicEquidistant"},
  "title": "Regional Adoption in 2050",
  "transform": [
    {
      "lookup": "id",
      "from": {
        "data": {"name": "data-a920cbb4fbc6fc7e9659e9baa9f3dcac"},
        "key": "region",
        "fields": ["adoption"]
      }
    }
  ],
  "width": 300,
  "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
  "datasets": {
    "data-a920cbb4fbc6fc7e9659e9baa9f3dcac": [
      {"region": "World", "adoption": 6293.724128825033},
      {"region": "OECD90", "adoption": 1339.1798237969147},
      {"region": "Eastern Europe", "adoption": 416.75127650882087},
      {"region": "Asia (Sans Japan)", "adoption": 1900.7744653837271},
      {"region": "Middle East and Africa", "adoption": 121.28426842290466},
      {"region": "Latin America", "adoption": 87.69013341590633},
      {"region": "China", "adoption": 1165.8360537623478},
      {"region": "India", "adoption": 588.5261161622009},
      {"region": "EU", "adoption": 571.5227293050552},
      {"region": "USA", "adoption": 588.4497640515553}
    ]
  }
}