In this article, we will look at the 5 most advanced countries in quantum computing. We have also discussed the global developments in the industry in another article. If you are interested in reading about that along with a more extensive list, head straight to the 16 Most Advanced Countries in Quantum Computing.
5. Japan
H-Index: 5
Number of Publications: 6
Average Rank: 5.5
Japan has been confirmed to be a quantum computing leader with Fujitsu and Riken’s recent announcement of the successful development of the country’s second quantum computer. With 64 qubits, this quantum computer is a major development as it is complemented by a 40-qubit quantum computer simulator. The collaboration aims to address errors that hinder precise results in quantum systems. With global investments pouring into quantum research, Japan’s achievement is noteworthy, placing it alongside quantum technology leaders like International Business Machines Corp and Alphabet Inc.
4. United Kingdom
H-Index: 3
Number of Publications: 4
Average Rank: 3.5
The UK government is set to launch a decade-long £2.5 billion ($3.15 billion) quantum computing program, doubling current funding and positioning the country at the forefront of global tech. Chancellor Jeremy Hunt’s announcement confirms the government’s willingness to make the UK a quantum technology hub, with a focus on supporting research hubs nationwide. The National Quantum Computing Center, near completion in Oxfordshire, will be a key player. Despite quantum computing’s formidable challenges, the UK leads Europe in quantum startups.
3. China
H-Index: 4
Number of Publications: 2
Average Rank: 3
China continues to lead the quantum computing race, exemplified by its latest achievement – the development of the “Jiuzhang 3.0” quantum computer prototype. Led by quantum physicist Pan Jianwei, the research team achieved a groundbreaking feat with 255 detected photons, making computing 10 quadrillion times faster in solving Gaussian boson sampling (GBS) problems than the world’s fastest supercomputers. Capitalizing on innovations like superconducting nanowire single-photon detection, “Jiuzhang 3.0” outpaces its predecessor by a million times.
2. Germany
H-Index: 2
Number of Publications: 3
Average Rank: 2.5
Germany is set to invest €3 billion ($3.25 billion) in constructing a universal quantum computer by 2026, aiming to position itself at the forefront of quantum developments in the European Union. The quantum computer will have a minimum capacity of 100 qubits, potentially expanding to 500 qubits. This hefty funding includes €2.2 billion ($2.38 billion) allocated across different government ministries and an additional €800 million ($866 million) for national research institutes. German companies like Bosch, Trumpf, and Infineon are already engaged in quantum technology and are contributing to the broader quantum ecosystem. The initiative seeks to elevate Germany’s technological sovereignty, with the goal of having at least 60 active quantum computing end-users by 2026 and achieving a leading position within the EU.
1. United States
H-Index: 1
Number of Publications: 1
Average Rank: 1
The USA leads the quantum computing market with major growth predicted. The global quantum computing market is set to increase by $9.01 billion from 2022 to 2027, with a CAGR of 18.84%. North America, driven by the USA, is anticipated to contribute 38% to this expansion. The region’s dominance is supported by factors such as prompt access to quantum computers for US-based firms, high economies of scale, and ample financial resources. United States is the most advanced country in quantum computing.
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