Why do the reports disagree?
Reports on quantum technologies often give different figures for what sounds like the same thing. This page puts their estimates side by side with the year, the geography, what was counted, the population and the method, so that the reasons for a difference are visible. Estimates are never averaged, added up or reconciled into one figure; where comparability is unknown, the page says so.
Investment in quantum companies, worldwide
Money invested in companies working on quantum technologies in one year. Publishers count different things: venture capital only, all private and public investment in start-ups, or all investment in quantum technology.
Comparability: Not comparable without reading each definition: the investors, the kinds of company and the deal types counted differ. 2 publishers. Read the definitions before comparing; no combined figure is given.
| Publisher and edition | Value as stated | Reference period and status | Geography | What was counted, and among whom | Method | Where in the source |
|---|---|---|---|---|---|---|
| IQM Quantum Computers | $10-$12 billion (USD billion) | 2025 (Estimate) | Worldwide | Quantum technology, mostly quantum computing. Investment tracked by Resonance (The Quantum Insider) | Resonance analysis for a report published by a quantum computer manufacturer; the range is the publisher's. | printed page 27, PDF page 27, Theme II, The Quantum Computing market today, Second paragraph and footnote 11 |
| Quantum Economic Development Consortium (QED-C), managed by SRI International | $4.9 billion (USD billion) | 2025 (Estimate) | Worldwide | Quantum technologies. Private venture capital deals in quantum companies | QED-C estimate of venture capital only; excludes public money and other deal types. | Press release of 14 April 2026, Paragraph on public funding and venture capital |
Why do the reports disagree? · Reports and figures · Market forecasts · Registered report sources · Approved evidence as JSON · Data sources and methods