This example visualizes the global distribution of religious populations by country using a bubble chart. Circle size and tooltip values encode population counts, with countries ordered by total population on the x-axis and religions on the y-axis. The visualization is built with the Vega-Lite API, which programmatically constructs the chart specification, and renders it via the Vega and Vega-Lite libraries. Data is loaded as CSV from a remote gist using D3’s `csv` function, and custom axis styling improves readability.