Each bubble is an S&P 500 company, its area proportional to its market capitalization as of , grouped by sector. Inside it, one stick figure stands for employees, so a bubble crowded with small figures is worth little per worker and a big bubble with a handful of figures is worth a lot. Every figure is the same size, so how densely a bubble is filled shows its employees per dollar of market cap.
Only companies with at least employees and a market cap of at least are shown ( of the S&P 500). Employee counts are full-time staff from each company's latest annual report, so they lag up to a year. Click a company for its details; scroll or pinch to zoom in on the small ones.