Esperanza de vida

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>d3.js learning</title>
  <link href="https://fonts.googleapis.com/css?family=Sansita+SC:400,700|Roboto:300" rel="stylesheet">
  <script src="https://d3js.org/d3.v3.min.js"></script>
  <link rel="stylesheet" type="text/css" href="main.css">
      
<body>
	<div id='title'>
    <h3>¿CUÁNTO INVIERTEN LOS GOBIERNOS EN TU ESPERANZA DE VIDA?</h3>
  </div>
    
  <script src="viz.js"></script>
  
</body>
</html>
<style>

.axis .domain {
  display: none;
}

</style>
<svg width="960" height="800"></svg>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script>
var svg = d3.select("svg"),
    margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = +svg.attr("width") - margin.left - margin.right,
    height = +svg.attr("height") - margin.top - margin.bottom,
    g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var x0 = d3.scaleBand()
    .rangeRound([0, width])
    .paddingInner(0.1);

var x1 = d3.scaleBand()
    .padding(0.05);

var y = d3.scaleLinear()
    .rangeRound([height, 0]);

var z = d3.scaleOrdinal()
    .range(["#98abc5", "#c864bb"]);
  
  
d3.csv("data.csv", function(d, i, columns) {
  for (var i = 1, n = columns.length; i < n; ++i) d[columns[i]] = +d[columns[i]];
  return d;
}, function(error, data) {
  if (error) throw error;

var keys = data.columns.slice(1);

x0.domain(data.map(function(d) { return d.País; }));
  x1.domain(keys).rangeRound([0, x0.bandwidth()]);
  y.domain([0, d3.max(data, function(d) { return d3.max(keys, function(key) { return d[key]; }); })]).nice();

g.append("g")
    .selectAll("g")
    .data(data)
    .enter().append("g")
      .attr("transform", function(d) { return "translate(" + x0(d.País) + ",0)"; })
    .selectAll("rect")
    .data(function(d) { return keys.map(function(key) { return {key: key, value: d[key]}; }); })
    .enter().append("rect")
      .attr("x", function(d) { return x1(d.key); })
      .attr("y", function(d) { return y(d.value); })
      .attr("width", x1.bandwidth())
      .attr("height", function(d) { return height - y(d.value); })
      .attr("fill", function(d) { return z(d.key); });
g.append("g")
      .attr("class", "axis")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.axisBottom(x0));
 
  g.append("g")
      .attr("class", "axis")
      .call(d3.axisRight(y).ticks(null, "s"))
    .append("text")
      .attr("x", 2)
      .attr("y", y(y.ticks().pop()) + 0.5)
      .attr("dy", "0.32em")
      .attr("fill", "#000")
      .attr("font-weight", "bold")
      .attr("text-anchor", "start")
      .text("Años");

var legend = g.append("g")
      .attr("font-family", "sans-serif")
      .attr("font-size", 10)
      .attr("text-anchor", "end")
    .selectAll("g")
    .data(keys.slice().reverse())
    .enter().append("g")
      .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });legend.append("rect")
      .attr("x", width - 19)
      .attr("width", 19)
      .attr("height", 19)
      .attr("fill", z);

legend.append("text")
      .attr("x", width - 24)
      .attr("y", 9.5)
      .attr("dy", "0.32em")
      .text(function(d) { return d; });
});
  svg.selectAll('rect')
  	.data("data.csv")
  	.enter()
  	.append('rect')
  	.attr('cy', function(d) {return (d.value)})
  	.style('stroke', 'white')
  	.style('stroke-opacity', 0.5)
  	.style('opacity', 0.7)
  	.on('mouseover', function(d){
    	d3.select(this)
      	.style('opacity', 1);
    
})

</script>
  
  
  </body>

Modified http://d3js.org/d3.v3.min.js to a secure url

https://d3js.org/d3.v3.min.js

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