Aggregate Bar Chart (Sorted)

A bar chart that sorts the y-values by the x-values.

View this example in the online editor

Vega-Lite JSON Specification

{
  "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
  "description": "A bar chart that sorts the y-values by the x-values.",
  "data": {"url": "data/population.json"},
  "transform": [{"filter": "datum.year == 2000"}],
  "height": {"step": 17},
  "mark": "bar",
  "encoding": {
    "y": {
      "field": "age",
      "type": "ordinal",
      "sort": "-x"
    },
    "x": {
      "aggregate": "sum",
      "field": "people",
      "title": "population"
    }
  }
}