TradeGravity
Compare each country's trade with the United States and China. Tiles scale by trade/export/import, with flags and linked highlights on hover. Exports/imports are from each country's perspective; USA/CHN are the partner side.
USA
Countries sized by selected metric with USA
CHN
Countries sized by selected metric with China
Each big rectangle is an anchor card (USA/CHN). Inside: sub-rectangles per country, sized by the selected metric. Exports/imports are recorded from each country's side with USA/CHN as the partner. Flags are loaded from a CDN (optional). Hover highlights the same country on both sides.