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HTML

              
                <script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/maps/modules/data.js"></script>
<script src="https://code.highcharts.com/maps/modules/map.js"></script>
<script src="https://code.highcharts.com/mapdata/custom/world.js"></script>

<!-- Flag sprites service provided by Martijn Lafeber, https://github.com/lafeber/world-flags-sprite/blob/master/LICENSE -->
<link rel="stylesheet" type="text/css" href="//github.com/downloads/lafeber/world-flags-sprite/flags32.css">


<div id="wrapper">
  <div id="container"></div>
  <div id="info">
    <span class="f32"><span id="flag"></span></span>
    <h2></h2>
    <div class="subheader">Click countries to view history</div>
    <div id="country-chart"></div>
  </div>
</div>
              
            
!

CSS

              
                * {
  font-family: sans-serif;
}
#wrapper {
  height: 500px;
  width: 1000px;
  margin: 0 auto;
  padding: 0;
  overflow:visible;
}
#container {
  float: left;
  height: 500px; 
  width: 700px; 
  margin: 0;
}
#info {
  float: left;
  width: 270px;
  padding-left: 20px;
  margin: 100px 0 0 0;
  border-left: 1px solid silver;
}
#info h2 {
  display: inline;
  font-size: 13pt;
}
#info .f32 .flag {
  vertical-align: bottom !important;
}

#info h4 {
  margin: 1em 0 0 0;
}

@media screen and (max-width: 920px) {
  #wrapper, #container,  #info {
    float: none;
    width: 100%;
    height: auto;
    margin: 0.5em 0;
    padding: 0;
    border: none;
  }
}
              
            
!

JS

              
                Highcharts.ajax({
  url: 'https://cdn.jsdelivr.net/gh/highcharts/highcharts@v7.0.0/samples/data/world-population-history.csv',
  dataType: 'csv',
  success: function (csv) {

    // Parse the CSV Data
    /*Highcharts.data({
      csv: data,
      switchRowsAndColumns: true,
      parsed: function () {
        console.log(this.columns);
      }
    });*/

    // Very simple and case-specific CSV string splitting
    function CSVtoArray(text) {
      return text.replace(/^"/, '')
        .replace(/",$/, '')
        .split('","');
    }

    csv = csv.split(/\n/);

    var countries = {},
      mapChart,
      countryChart,
      numRegex = /^[0-9\.]+$/,
      lastCommaRegex = /,\s$/,
      quoteRegex = /\"/g,
      categories = CSVtoArray(csv[2]).slice(4);

    // Parse the CSV into arrays, one array each country
    csv.slice(3).forEach(function (line) {
      var row = CSVtoArray(line),
        data = row.slice(4);

      data.forEach(function (val, i) {
        val = val.replace(quoteRegex, '');
        if (numRegex.test(val)) {
          val = parseInt(val, 10);
        } else if (!val || lastCommaRegex.test(val)) {
          val = null;
        }
        data[i] = val;
      });

      countries[row[1]] = {
        name: row[0],
        code3: row[1],
        data: data
      };
    });

    // For each country, use the latest value for current population
    var data = [];
    for (var code3 in countries) {
      if (Object.hasOwnProperty.call(countries, code3)) {
        var value = null,
          year,
          itemData = countries[code3].data,
          i = itemData.length;

        while (i--) {
          if (typeof itemData[i] === 'number') {
            value = itemData[i];
            year = categories[i];
            break;
          }
        }
        data.push({
          name: countries[code3].name,
          code3: code3,
          value: value,
          year: year
        });
      }
    }

    // Add lower case codes to the data set for inclusion in the tooltip.pointFormat
    var mapData = Highcharts.geojson(Highcharts.maps['custom/world']);
    mapData.forEach(function (country) {
      country.id = country.properties['hc-key']; // for Chart.get()
      country.flag = country.id.replace('UK', 'GB').toLowerCase();
    });

    // Wrap point.select to get to the total selected points
    Highcharts.wrap(Highcharts.Point.prototype, 'select', function (proceed) {

      proceed.apply(this, Array.prototype.slice.call(arguments, 1));

      var points = mapChart.getSelectedPoints();
      if (points.length) {
        if (points.length === 1) {
          document.querySelector('#info #flag')
            .className = 'flag ' + points[0].flag;
          document.querySelector('#info h2').innerHTML = points[0].name;
        } else {
          document.querySelector('#info #flag')
            .className = 'flag';
          document.querySelector('#info h2').innerHTML = 'Comparing countries';

        }
        document.querySelector('#info .subheader')
          .innerHTML = '<h4>Historical population</h4><small><em>Shift + Click on map to compare countries</em></small>';

        if (!countryChart) {
          countryChart = Highcharts.chart('country-chart', {
            chart: {
              height: 250,
              spacingLeft: 0
            },
            credits: {
              enabled: false
            },
            title: {
              text: null
            },
            subtitle: {
              text: null
            },
            xAxis: {
              tickPixelInterval: 50,
              crosshair: true
            },
            yAxis: {
              title: null,
              opposite: true
            },
            tooltip: {
              split: true
            },
            plotOptions: {
              series: {
                animation: {
                  duration: 500
                },
                marker: {
                  enabled: false
                },
                threshold: 0,
                pointStart: parseInt(categories[0], 10)
              }
            }
          });
        }

        countryChart.series.slice(0).forEach(function (s) {
          s.remove(false);
        });
        points.forEach(function (p) {
          countryChart.addSeries({
            name: p.name,
            data: countries[p.code3].data,
            type: points.length > 1 ? 'line' : 'area'
          }, false);
        });
        countryChart.redraw();

      } else {
        document.querySelector('#info #flag').className = '';
        document.querySelector('#info h2').innerHTML = '';
        document.querySelector('#info .subheader').innerHTML = '';
        if (countryChart) {
          countryChart = countryChart.destroy();
        }
      }
    });

    // Initiate the map chart
    mapChart = Highcharts.mapChart('container', {

      title: {
        text: 'Population history by country'
      },

      subtitle: {
        text: 'Source: <a href="http://data.worldbank.org/indicator/SP.POP.TOTL/countries/1W?display=default">The World Bank</a>'
      },

      mapNavigation: {
        enabled: true,
        buttonOptions: {
          verticalAlign: 'bottom'
        }
      },

      colorAxis: {
        type: 'logarithmic',
        endOnTick: false,
        startOnTick: false,
        min: 50000
      },

      tooltip: {
        footerFormat: '<span style="font-size: 10px">(Click for details)</span>'
      },

      series: [{
        data: data,
        mapData: mapData,
        joinBy: ['iso-a3', 'code3'],
        name: 'Current population',
        allowPointSelect: true,
        cursor: 'pointer',
        states: {
          select: {
            color: '#a4edba',
            borderColor: 'black',
            dashStyle: 'shortdot'
          }
        },
        borderWidth: 0.5
      }]
    });

    // Pre-select a country
    mapChart.get('us').select();
  }
});

              
            
!
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