World Tech Rankings

Which countries lead research in critical technologies

Each country's share of the most-cited research papers, technology by technology. Rebuilt from open data, with the method and every definition published.

Technologies led, of 45; leads on fewer than five papers or tied are not counted37CNChina8USUnited States

A third measure, with home-country citation bias removed, is computed for five technologies so far and shown on their pages.

Share of the 10% most cited papers, 2021–2025
0%102030405060708090
Lead over second

Computing and AI

eight technologies
AI chips689 papers in the top 10%
3.8×
High-performance computing269 papers in the top 10%
2.6×
Wide-bandgap semiconductors747 papers in the top 10%
2.2×
Advanced robotics703 papers in the top 10%
2.0×
Advanced chip manufacturing390 papers in the top 10%
1.9×
Distributed ledgers1,799 papers in the top 10%
1.7×
Large language models3,671 papers in the top 10%
1.4×
Cybersecurity2,967 papers in the top 10%
1.2×

Quantum

five technologies
Quantum computing2,014 papers in the top 10%
3.1×
Quantum communication586 papers in the top 10%
2.1×
Atomic clocks127 papers in the top 10%
1.9×
Post-quantum cryptography338 papers in the top 10%
1.6×
Quantum sensors416 papers in the top 10%
1.0×

Communications and sensing

eight technologies
Electronic warfare117 papers in the top 10%
–
Radar600 papers in the top 10%
26.5×
Sonar and underwater acoustics363 papers in the top 10%
17.4×
Hyperspectral imaging851 papers in the top 10%
16.9×
Satellite navigation703 papers in the top 10%
10.1×
Inertial navigation301 papers in the top 10%
10.0×
6G and advanced wireless1,351 papers in the top 10%
4.4×
Optical communication702 papers in the top 10%
3.1×

Space, air and defence

seven technologies
Autonomous underwater vehicles382 papers in the top 10%
19.2×
Advanced aircraft engines340 papers in the top 10%
13.1×
Drones and swarming1,445 papers in the top 10%
10.4×
Directed energy92 papers, small sample
10.3×
Hypersonic flight372 papers in the top 10%
8.9×
Space launch101 papers in the top 10%
2.8×
Small satellites126 papers in the top 10%
1.1×

Energy

seven technologies
Hydrogen by electrolysis1,564 papers in the top 10%
11.4×
Hydrogen storage and ammonia fuel957 papers in the top 10%
9.8×
Electric batteries7,469 papers in the top 10%
8.9×
Perovskite solar cells1,818 papers in the top 10%
8.2×
Supercapacitors2,949 papers in the top 10%
3.3×
Nuclear fission power748 papers in the top 10%
2.0×
Nuclear fusion901 papers in the top 10%
1.9×

Materials and manufacturing

five technologies
Advanced composites1,062 papers in the top 10%
8.4×
Metamaterials2,618 papers in the top 10%
6.3×
Critical minerals processing455 papers in the top 10%
3.1×
Additive manufacturing4,048 papers in the top 10%
3.0×
Magnets and superconductors468 papers in the top 10%
2.5×

Biotechnology

five technologies
Synthetic biology634 papers in the top 10%
3.1×
mRNA vaccines and therapeutics970 papers in the top 10%
2.4×
New antibiotics and antivirals811 papers in the top 10%
2.0×
Genome sequencing625 papers in the top 10%
1.2×
Gene editing1,155 papers in the top 10%
1.2×

The large circle is the leader and the bar is its distance from second place; the multiple is the leader's share divided by the runner-up's. Grey dots are the next eight countries. Source: OpenAlex, pulled 18 October 2026. Method

Show this as a table
TechnologyFirstSecondThirdChinaUnited States
Electronic warfareChina 81.0%Canada 2.1%United States 1.4%1st, 81.0%3rd, 1.4%
RadarChina 77.0%United States 2.9%United Kingdom 2.8%1st, 77.0%2nd, 2.9%
Autonomous underwater vehiclesChina 71.7%United States 3.7%United Kingdom 2.4%1st, 71.7%2nd, 3.7%
Sonar and underwater acousticsChina 71.6%United States 4.1%Italy 2.9%1st, 71.6%2nd, 4.1%
Hyperspectral imagingChina 71.4%United States 4.2%India 2.4%1st, 71.4%2nd, 4.2%
Advanced aircraft enginesChina 64.6%United States 4.9%United Kingdom 4.3%1st, 64.6%2nd, 4.9%
Hydrogen by electrolysisChina 53.0%South Korea 4.7%United States 4.3%1st, 53.0%3rd, 4.3%
Drones and swarmingChina 52.2%United States 5.0%United Kingdom 3.8%1st, 52.2%2nd, 5.0%
Directed energyChina 57.5%Germany 5.6%United Kingdom 4.3%1st, 57.5%4th, 4.3%
Satellite navigationChina 56.1%United States 5.5%Germany 3.9%1st, 56.1%2nd, 5.5%
Inertial navigationChina 64.0%United States 6.4%Canada 3.7%1st, 64.0%2nd, 6.4%
Hydrogen storage and ammonia fuelChina 44.5%Saudi Arabia 4.5%Australia 4.5%1st, 44.5%4th, 4.2%
Hypersonic flightChina 65.9%United States 7.4%India 6.0%1st, 65.9%2nd, 7.4%
Electric batteriesChina 68.0%United States 7.6%South Korea 3.4%1st, 68.0%2nd, 7.6%
Advanced compositesChina 50.8%United States 6.0%United Kingdom 5.6%1st, 50.8%2nd, 6.0%
Perovskite solar cellsChina 53.9%United States 6.5%South Korea 4.6%1st, 53.9%2nd, 6.5%
MetamaterialsChina 55.5%United States 8.8%South Korea 4.0%1st, 55.5%2nd, 8.8%
6G and advanced wirelessChina 39.9%United Kingdom 9.0%United States 6.2%1st, 39.9%3rd, 6.2%
AI chipsChina 46.2%South Korea 12.1%United States 11.6%1st, 46.2%3rd, 11.6%
SupercapacitorsChina 46.3%India 13.9%South Korea 7.3%1st, 46.3%6th, 2.3%
Optical communicationChina 38.8%United States 12.4%Canada 3.5%1st, 38.8%2nd, 12.4%
Critical minerals processingChina 43.0%United States 13.8%Australia 4.3%1st, 43.0%2nd, 13.8%
Quantum computingUnited States 34.9%China 11.2%Germany 6.0%2nd, 11.2%1st, 34.9%
Synthetic biologyChina 45.7%United States 15.0%South Korea 5.0%1st, 45.7%2nd, 15.0%
Additive manufacturingChina 34.0%United States 11.3%India 6.7%1st, 34.0%2nd, 11.3%
Space launchChina 34.8%United States 12.3%South Korea 8.9%1st, 34.8%2nd, 12.3%
High-performance computingUnited States 36.3%China 13.9%Germany 7.5%2nd, 13.9%1st, 36.3%
Magnets and superconductorsChina 35.0%United States 14.2%United Kingdom 5.7%1st, 35.0%2nd, 14.2%
mRNA vaccines and therapeuticsUnited States 38.7%China 16.1%Germany 3.5%2nd, 16.1%1st, 38.7%
Wide-bandgap semiconductorsChina 40.8%United States 18.6%Japan 5.3%1st, 40.8%2nd, 18.6%
Quantum communicationChina 28.9%United States 14.1%Germany 7.6%1st, 28.9%2nd, 14.1%
New antibiotics and antiviralsChina 30.3%United States 15.3%India 4.7%1st, 30.3%2nd, 15.3%
Advanced roboticsChina 31.5%United States 16.0%Italy 6.4%1st, 31.5%2nd, 16.0%
Nuclear fission powerChina 43.3%United States 22.1%South Korea 4.4%1st, 43.3%2nd, 22.1%
Atomic clocksUnited States 38.7%China 19.9%Germany 11.5%2nd, 19.9%1st, 38.7%
Advanced chip manufacturingChina 31.8%India 16.6%United States 15.0%1st, 31.8%3rd, 15.0%
Nuclear fusionUnited States 27.5%China 14.8%Germany 11.8%2nd, 14.8%1st, 27.5%
Distributed ledgersChina 20.6%India 12.4%United States 6.7%1st, 20.6%3rd, 6.7%
Post-quantum cryptographyChina 20.4%India 12.5%United States 9.8%1st, 20.4%3rd, 9.8%
Large language modelsChina 27.4%United States 19.4%United Kingdom 3.7%1st, 27.4%2nd, 19.4%
CybersecurityChina 14.8%India 11.9%Saudi Arabia 8.4%1st, 14.8%4th, 7.6%
Genome sequencingUnited States 33.6%China 27.6%United Kingdom 5.0%2nd, 27.6%1st, 33.6%
Gene editingUnited States 32.2%China 27.4%South Korea 4.2%2nd, 27.4%1st, 32.2%
Small satellitesUnited States 13.7%China 12.9%Italy 11.5%2nd, 12.9%1st, 13.7%
Quantum sensorsChina 22.5%United States 21.5%Germany 10.2%1st, 22.5%2nd, 21.5%

45 technologies and 517,481 papers published 2021–2025. The summary table is free to reuse with attribution, including commercially.

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