This chart displays population trends from 2005 to 2017 using a red line against a grid of horizontal and vertical ticks. It loads CSV data from a GitHub gist and renders it as an SVG using D3 v5. The code applies `scaleTime` for the year axis, `scaleLinear` for population values, and `line` to generate the path, with axes drawn via `axisBottom` and `axisLeft`.