{
    "mark": {
        "extent": 2,
        "type": "boxplot"
    },
    "data": {
        "url": "https://vega.github.io/vega-lite/data/population.json"
    },
    "$schema": "https://vega.github.io/schema/vega-lite/v4.json",
    "encoding": {
        "x": {
            "field": "age",
            "type": "ordinal"
        },
        "y": {
            "field": "people",
            "type": "quantitative",
            "axis": {
                "title": "Population"
            }
        }
    }
}