Every figure is an estimate — no company discloses payroll by segment. Each public segment is sized from the firm's own SEC headcount, allocated across its segments and priced at industry wages where a screened employee count exists, otherwise from segment revenue × the industry's payroll-to-revenue ratio. Whole economy adds the non-public remainder beside the public companies: each industry's total QCEW private wages minus the (estimated) public payroll, on a US-domestic basis; drill a hatched bar into small business, other private, and nonprofit. Revenue is gross sales/receipts, not value-added, so it double-counts intermediate flows (especially wholesale) and the economy-wide total runs near 2× GDP — a sales basis, not output. Industry ratios are US-based but applied to global segment revenue, and for finance and wholesale/retail the revenue denominator is weak — read those as rough. The venture view regroups the same economy and is reconciled so its whole-economy totals match the official-sector (NAICS) totals; the individual verticals are a different cut and don't map one-to-one to NAICS sectors. Employment and payroll cover the private-leaning filing universe, so they run below all-covered BLS totals — government is largely out of scope. Non-public operating margins are capped near 35% and are roughest where little of an industry is public (finance, IP-licensing, mining). Integrated filers (managed care like UnitedHealth, large conglomerates) are scaled to their consolidated revenue, so drilling their segments reconciles to the whole. Hover any bar for its method, sources, and confidence.