d3 produces SVG graphics, which aren't supposed by versions earlier than IE 9. There are ways to turn d3's SVG output into a canvas element. Those earlier vers

d3 produces SVG graphics, which aren't supposed by versions earlier than IE 9. There are ways to turn d3's SVG output into a canvas element. Those earlier version of IE also support VML, but I don't recall any quick ways of doing from d3 output to VML off the top of my head.