China retains top spot in global research rankings

China has maintained its position as the world's leading contributor to scientific research output, according to the latest Nature Index Research Leaders rankings.

The 2026 rankings show China recording the strongest growth among the world's top research-producing countries, with its adjusted research share increasing by more than 22 percent between 2024 and 2025.

China ranked first in five major scientific disciplines, including physical sciences, chemistry, biological sciences, applied sciences, and earth and environmental sciences. Chinese institutions also dominated several subject-specific rankings, reflecting the country's growing influence in global research.

The Chinese Academy of Sciences retained its position as the top-ranked research institution overall, while Zhejiang University rose to the number one spot among academic institutions, surpassing Harvard University.

The report also highlighted China's expanding role in high-quality research. According to Nature Index analysts, the country's growing scientific output is reshaping the global research landscape and contributing to increased international collaboration.

Recent international studies have similarly pointed to China's rising influence in innovation and critical technologies, with researchers noting the country's increasing impact across a range of scientific fields.

The Nature Index is widely used to measure research contributions by countries and institutions through authorship of papers published in leading scientific journals.