Line chart of world population over time. Data from the United Nations Population Estimates. This is example 36 from the screencast Splitting Charts.
MIT License
Last active
October 9, 2020 12:54
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World Population Line Chart
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>D3 Example</title> | |
| <script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> | |
| <link href='https://fonts.googleapis.com/css?family=Open+Sans' rel='stylesheet' type='text/css'> | |
| <style> | |
| body { | |
| margin: 0px; | |
| } | |
| .chart-line { | |
| fill: none; | |
| stroke: black; | |
| stroke-width: 5px; | |
| } | |
| .axis text { | |
| font-family: 'Open Sans', sans-serif; | |
| font-size: 12pt; | |
| } | |
| .axis .label { | |
| font-size: 18pt; | |
| } | |
| .axis path, .axis line { | |
| fill: none; | |
| stroke: #000; | |
| shape-rendering: crispEdges; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var outerWidth = 960; | |
| var outerHeight = 500; | |
| var margin = { left: 64, top: 3, right: 15, bottom: 56 }; | |
| var xColumn = "year"; | |
| var yColumn = "population"; | |
| var xAxisLabelText = "Time"; | |
| var xAxisLabelOffset = 48; | |
| var yAxisLabelText = "World Population"; | |
| var yAxisLabelOffset = 40; | |
| var innerWidth = outerWidth - margin.left - margin.right; | |
| var innerHeight = outerHeight - margin.top - margin.bottom; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", outerWidth) | |
| .attr("height", outerHeight); | |
| var g = svg.append("g") | |
| .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
| var path = g.append("path") | |
| .attr("class", "chart-line"); | |
| var xAxisG = g.append("g") | |
| .attr("class", "x axis") | |
| .attr("transform", "translate(0," + innerHeight + ")") | |
| var xAxisLabel = xAxisG.append("text") | |
| .style("text-anchor", "middle") | |
| .attr("transform", "translate(" + (innerWidth / 2) + "," + xAxisLabelOffset + ")") | |
| .attr("class", "label") | |
| .text(xAxisLabelText); | |
| var yAxisG = g.append("g") | |
| .attr("class", "y axis"); | |
| var yAxisLabel = yAxisG.append("text") | |
| .style("text-anchor", "middle") | |
| .attr("transform", "translate(-" + yAxisLabelOffset + "," + (innerHeight / 2) + ") rotate(-90)") | |
| .attr("class", "label") | |
| .text(yAxisLabelText); | |
| var xScale = d3.time.scale().range([0, innerWidth]); | |
| var yScale = d3.scale.linear().range([innerHeight, 0]); | |
| // Use a modified SI formatter that uses "B" for Billion. | |
| var siFormat = d3.format("s"); | |
| var customTickFormat = function (d){ | |
| return siFormat(d).replace("G", "B"); | |
| }; | |
| var xAxis = d3.svg.axis().scale(xScale).orient("bottom") | |
| .ticks(12) | |
| .outerTickSize(0); | |
| var yAxis = d3.svg.axis().scale(yScale).orient("left") | |
| .ticks(10) | |
| .tickFormat(customTickFormat) | |
| .outerTickSize(0); | |
| var line = d3.svg.line() | |
| .x(function(d) { return xScale(d[xColumn]); }) | |
| .y(function(d) { return yScale(d[yColumn]); }); | |
| function render(data){ | |
| xScale.domain(d3.extent(data, function (d){ return d[xColumn]; })); | |
| yScale.domain([0, d3.max(data, function (d){ return d[yColumn]; })]); | |
| xAxisG.call(xAxis); | |
| yAxisG.call(yAxis); | |
| path.attr("d", line(data)); | |
| } | |
| function type(d){ | |
| d.year = new Date(d.year); | |
| d.population = +d.population; | |
| return d; | |
| } | |
| d3.csv("worldPopulationByYear.csv", type, render); | |
| </script> | |
| </body> | |
| </html> |
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| year | population | |
|---|---|---|
| 1950 | 2525149312 | |
| 1951 | 2571867515 | |
| 1952 | 2617940399 | |
| 1953 | 2664029010 | |
| 1954 | 2710677773 | |
| 1955 | 2758314525 | |
| 1956 | 2807246148 | |
| 1957 | 2857662910 | |
| 1958 | 2909651396 | |
| 1959 | 2963216053 | |
| 1960 | 3018343828 | |
| 1961 | 3075073173 | |
| 1962 | 3133554362 | |
| 1963 | 3194075347 | |
| 1964 | 3256988501 | |
| 1965 | 3322495121 | |
| 1966 | 3390685523 | |
| 1967 | 3461343172 | |
| 1968 | 3533966901 | |
| 1969 | 3607865513 | |
| 1970 | 3682487691 | |
| 1971 | 3757734668 | |
| 1972 | 3833594894 | |
| 1973 | 3909722120 | |
| 1974 | 3985733775 | |
| 1975 | 4061399228 | |
| 1976 | 4136542070 | |
| 1977 | 4211322427 | |
| 1978 | 4286282446.9999995 | |
| 1979 | 4362189531 | |
| 1980 | 4439632465 | |
| 1981 | 4518602042 | |
| 1982 | 4599003374 | |
| 1983 | 4681210508 | |
| 1984 | 4765657562 | |
| 1985 | 4852540569 | |
| 1986 | 4942056118 | |
| 1987 | 5033804944 | |
| 1988 | 5126632694 | |
| 1989 | 5218978019 | |
| 1990 | 5309667699 | |
| 1991 | 5398328753 | |
| 1992 | 5485115276 | |
| 1993 | 5570045380 | |
| 1994 | 5653315893 | |
| 1995 | 5735123084 | |
| 1996 | 5815392305 | |
| 1997 | 5894155105 | |
| 1998 | 5971882825 | |
| 1999 | 6049205203 | |
| 2000 | 6126622121 | |
| 2001 | 6204310739 | |
| 2002 | 6282301767 | |
| 2003 | 6360764684 | |
| 2004 | 6439842408 | |
| 2005 | 6519635850 | |
| 2006 | 6600220247 | |
| 2007 | 6681607320 | |
| 2008 | 6763732879 | |
| 2009 | 6846479521 | |
| 2010 | 6929725043 | |
| 2011 | 7013427052 | |
| 2012 | 7097500453 | |
| 2013 | 7181715139 | |
| 2014 | 7265785946 | |
| 2015 | 7349472099 |
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