Highcharts.getJSON('https://cdn.jsdelivr.net/gh/highcharts/highcharts@v7.0.0/samples/data/world-population-density.json', function (data) {

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

        chart: {
            plotBackgroundColor: '#4b96af'
        },

        title: {
            text: 'Chart with a plot background color'
        },

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

        colorAxis: {
            min: 1,
            max: 1000,
            type: 'logarithmic',
            minColor: '#e6e696',
            maxColor: '#003700'
        },

        legend: {
            title: {
                text: 'Population per km²'
            },
            backgroundColor: 'rgba(255,255,255,0.85)'
        },

        // Add some padding inside the plot box
        xAxis: {
            minPadding: 0.02,
            maxPadding: 0.02
        },
        yAxis: {
            minPadding: 0.02,
            maxPadding: 0.02
        },

        // The map series
        series: [{
            data: data,
            mapData: Highcharts.maps['custom/world'],
            joinBy: ['iso-a2', 'code'],
            name: 'Population density',
            borderColor: '#555',
            borderWidth: 0.5,
            states: {
                hover: {
                    color: '#a4edba'
                }
            },
            tooltip: {
                valueSuffix: '/km²'
            }
        }]
    });
});