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I've tried searching Google/going through the D3 gallery to find the name of this type of chart, but I've had no luck so far. As far as I can see it is an area chart with both age and year plotted on the x axis. Does anyone know the name? And if possible a tutorial/example for Excel or even D3.js.

Edit - I think the only way to do this in Excel might be with small multiples, but if there is a 'proper name' for this chart, I'd still appreciate it.

enter image description here

Source: The Coalition in 163 charts

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  • $\begingroup$ You could represent the same information with 1 x-axis, & multiple lines that are positioned vertically by value but have the same x-values (since the data do). You could have a legend to identify the lines, assisted by colors, symbols, line types, labels, etc. $\endgroup$ – gung - Reinstate Monica♦ Apr 14 '16 at 14:15
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    $\begingroup$ Multiple-panel area time series plot? Not every graph needs a distinct name. Should not be difficult in any serious software. $\endgroup$ – Nick Cox Apr 14 '16 at 14:16
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No specific name. It's a small multiples area chart, but usually there are no lines along the sides. The nicer ones are more like line charts with a fill below, as in this Pew Research example:

enter image description here

I don't know D3, but I see that Mike Bostock has a similar small multiples example (except vertical arrangement).

enter image description here

There's also Multiple Area Charts with D3.

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