gapminder demo

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

<body>
  <script>
    // Feel free to change or delete any of the code you see in this editor!
    var svg = d3.select("body")
      .append("svg")
      .attr("width", 960)
      .attr("height", 500);

d3.csv("gapminder_avg.csv",function(dataWeLoaded) {
      //console.log(dataWeLoaded);
      
      var xScale = d3.scaleLinear()
    	  .domain([0,40000])
        .range([100,800]);
      var yScale = d3.scaleLinear()
    	  .domain([30,80])
        .range([400,100]);
      var rScale = d3.scaleSqrt()
    	  .domain([0,d3.max(dataWeLoaded, function(d) { return +d.population;})])
        .range([0,100]);
      
        svg.selectAll("circle")
      		.data(dataWeLoaded)
        .enter()
      		.append("circle")
      	  .attr("cy", function(d) { return yScale(+d.lifeexp);})
        		//return 500-(d.lifeexp*6);})
      	  .attr("cx", function(d) { return xScale(+d.gdp);})
          	//return 100+(d.gdp/100);})
      		.attr("r", function(d) { return rScale(+d.population) /* 1 + (d.population/10000000); */ })
          .attr("fill-opacity",0.4)
          .attr("stroke","black")
          .attr("stroke-width",2)
          .attr("stroke-opacity",1)
      		.attr("fill","firebrick")
      /*
      data.sort(function(a,b) { return +a.population > +b.population;})
        .forEach(function(innerdata,i) {
        console.log(innerdata);
     
     
    	svg.append("text")
      	.text(innerdata.country)
      	.attr("y", 135+(i*10))
      	.attr("x", 120)
      	.attr("font-size", 12)
    		.attr("fill", '#0000ff')
      	.attr("font-family", "sans-serif")
     
 
      })
      */
    })
    
  </script>
</body>

https://d3js.org/d3.v4.min.js