Analysis & Insights

Essential Science Indicators (ESI) Data Update: January 2026

The latest Essential Science Indicators (ESI) citation thresholds have been released. The attached tables provide the updated baselines for:

• Highly Cited Papers (Top 1%): Covering the 11-year period from 2015 to 2025.
• Hot Papers (Top 0.1%): Covering recent bi-monthly periods through 2025.