China's cumulative state-directed investment in quantum technology has reached an estimated $15 billion, according to a new analysis by the Quantum Economic Development Consortium (QED-C) and McKinsey Global Institute. The figure — which includes national laboratory funding, provincial government programmes, and state-backed enterprise investment — exceeds the combined public quantum investment of the United States and European Union.
The analysis covers the period from 2016 to 2025 and tracks investment across four quantum technology domains: quantum computing, quantum communications, quantum sensing, and quantum cryptography. China's investment is most heavily weighted toward quantum communications and sensing, reflecting its strategic priority on quantum key distribution (QKD) networks and quantum-enhanced military capabilities.
The Quantum Communications Lead
China's most significant lead over Western competitors is in quantum communications infrastructure. The country operates the world's largest quantum key distribution network, spanning over 4,600 kilometres between Beijing and Shanghai, with extensions to major provincial capitals. The network uses both ground-based fibre and satellite-based free-space quantum links, including the Micius satellite — the world's first quantum communications satellite, launched in 2016.
Western nations have no equivalent operational infrastructure. The EU's EuroQCI initiative and the US Department of Energy's quantum network testbeds are still in early deployment phases, with operational national-scale networks unlikely before 2030.
"China has made a strategic bet on quantum communications as a national security infrastructure, and that bet is paying off. The gap in operational quantum network infrastructure is significant and will not be closed quickly."
— Dr. Elsa Kania, Center for a New American Security
Quantum Computing: A More Competitive Picture
In quantum computing, the competitive picture is more nuanced. China's leading quantum computing organisations — Origin Quantum, QuantumCTek, and the University of Science and Technology of China (USTC) — have made significant progress, with USTC's Zuchongzhi processor demonstrating competitive performance on random circuit sampling benchmarks.
However, China lags behind US companies in the commercial quantum computing ecosystem. IBM, Google, IonQ, and Quantinuum have larger user bases, more mature software stacks, and stronger integration with enterprise cloud platforms. US export controls on advanced semiconductor manufacturing equipment have also constrained China's ability to scale superconducting qubit fabrication.
Policy Implications for the West
The investment gap has prompted calls for increased public quantum investment in the US and EU. The US National Quantum Initiative Act, reauthorised in 2023, authorises $2.7 billion over five years — a fraction of China's annual quantum spending. The EU's Quantum Flagship programme has committed €1 billion over ten years.
Analysts argue that the comparison is complicated by the different roles of public and private investment in each system. US private sector quantum investment — from IBM, Google, Microsoft, Amazon, and a growing ecosystem of startups — significantly exceeds public investment, and may more than compensate for the public funding gap.