Biology — Chart: Population Age Structure

{
  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
  "description": "Population by age band",
  "data": {"values": [
    {"age": "0-14", "percent": 26},
    {"age": "15-24", "percent": 17},
    {"age": "25-44", "percent": 27},
    {"age": "45-64", "percent": 20},
    {"age": "65+", "percent": 10}
  ]},
  "mark": "bar",
  "encoding": {
    "x": {"field": "age", "type": "ordinal", "title": "Age band"},
    "y": {"field": "percent", "type": "quantitative", "title": "% of population"},
    "color": {"field": "age", "type": "nominal", "legend": null}
  }
}