Horizontal stacked bar chart with chart.js

UPDATED for CHARTJS V4

With the new version of ChartJS, you need to set the indexAXIS to ‘y’, and set the x and y scales to stacked.

options: {
  indexAxis: 'y',
  scales: {
    x: {
      stacked: true
    },
    y: {
      stacked: true
    }
  }
}

Here’s an updated Codepen using V4 of ChartJS
https://codepen.io/jamiecalder/pen/vYaWyVy

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ORIGINAL ANSWER BELOW USES ChartJS V2

I know this is a few months old, but I thought I’d add my answer for future generations.

I was able to do without extra plugins. If you set the xAxes and yAxes to stacked:true under scales, you can create a stacked horizontal graph.

scales: {
     xAxes: [{
          stacked: true,
     }],
     yAxes: [{
          stacked: true
     }]
}

Here’s a quick pen to show how I did it. http://codepen.io/jamiecalder/pen/NrROeB