91��Ƶ's Global Ranking of Academic Subjects

2025?Global Ranking of Academic Subjects

91��Ƶ first introduced the world university rankings by academic subjects in 2009, which was officially renamed the 91��Ƶ's Global Ranking of Academic Subjects (GRAS) in 2017. GRAS evaluates world universities across 57 subjects in the fields of Natural Sciences, Engineering, Life Sciences, Medical Sciences, and Social Sciences. GRAS is based on nine objective indicators grouped into five categories: World-Class Faculty, World-Class Research Output, High-Quality Research, Research Impact, and International Collaboration. Each year, GRAS presents around 20,000 subject units from approximately 2,000 universities across some 100 countries and regions.(See full Methodology)

100 Institutions

World Rank	Institution	Total Score	World-Class Faculty World-Class Output High Quality Research Research Impact International Collaboration
1	Beihang University Beihang University	255.4	29.5
2	Northwestern Polytechnical University Northwestern Polytechnical University	215.1	6.2
3	Nanjing University of Aeronautics and Astronautics	198.7	7.2
4	Beijing Institute of Technology Beijing Institute of Technology	185.4	6.2
5	Harbin Institute of Technology Harbin Institute of Technology	179.6	6.2
6	Massachusetts Institute of Technology Massachusetts Institute of Technology	172.4	40.0
7	National University of Defense Technology	169.8	6.2
8	Tsinghua University Tsinghua University	168.9	7.8
9	Purdue University, West Lafayette Purdue University, West Lafayette	164.4	28.6
10	Delft University of Technology Delft University of Technology	163.8	12.2
11	Georgia Institute of Technology Georgia Institute of Technology	157.5	14.6
12	University of Michigan, Ann Arbor University of Michigan, Ann Arbor	157.1	9.2
13	California Institute of Technology California Institute of Technology	153.7	9.8
14	Cranfield University Cranfield University	152.5	27.8
15	Polytechnic University of Milan Polytechnic University of Milan	150.0	3.7
16	University of Colorado Boulder University of Colorado Boulder	145.8	5.3
17	Virginia Polytechnic Institute and State University	144.9	27.8
18	Shanghai Jiao Tong University Shanghai Jiao Tong University	139.9	0.0
19	The University of Texas at Austin The University of Texas at Austin	138.5	28.2
20	Sapienza University of Rome Sapienza University of Rome	138.1	4.6
21	Technion-Israel Institute of Technology Technion-Israel Institute of Technology	137.0	27.8
22	Seoul National University Seoul National University	134.2	27.8
23	University of Canterbury University of Canterbury	128.7	27.8
24	Texas A&M University Texas A&M University	128.6	16.3
25	Stanford University Stanford University	128.0	6.6
26	Korea Advanced Institute of Science and Technology	127.7	15.4
27	University of Cambridge University of Cambridge	126.9	27.8
28	Embry-Riddle Aeronautical University Embry-Riddle Aeronautical University	126.7	28.2
29	Polytechnic University of Turin Polytechnic University of Turin	126.4	13.9
30	University of Illinois Urbana, Champaign	124.7	6.6