This choropleth map visualizes global economic classifications by coloring each country according to its economy type. Using D3.js v5 with the `geoNaturalEarth1` projection and `geoPath` for rendering, it loads world map data from TopoJSON and TSV files containing country metadata. The color scale uses `scaleOrdinal` with `schemeSpectral` ranges, and hovering highlights a country in red while a tooltip displays the country name and economic group.