This visualization displays the top 20 countries by religion, using a bubble chart where each circle’s size represents the population count for a given country and religion. The data comes from a CSV file loaded via d3’s `csv` function, sourced from the UCI Machine Learning Repository’s Auto MPG dataset. Built with the vega-lite-api, it renders through Vega-Lite and Vega, with tooltips provided by vega-tooltip. The visualization uses a dark color scheme and customized axis fonts to improve readability.