This is the most popular ranking among Japanese people, including all universities, which is more objective. Among them, the S level is the strongest, and the smaller the number in each level, the stronger it is. (I only extract the first few layers)

ランキンs-level university

S 1: University of Tokyo

S2: Kyoto University

A-level university

A 1: hitotsubashi university, Osaka University

A2: Keiko University, Nagoya University

A3: Hokkaido University, Tohoku University and Kyushu University.

B-level university.

B 1: University of Tsukuba, tokyo university of foreign studies, Zaoda University, tokyo institute of technology.

B2: Yokohama National University, Chiba University, Kobe University, Shimashima University and Tea University.

B2: Capital University Tokyo Xueyun University Osaka Foreign Studies University osaka city university sophia university ICU

C-level university

C 1: Kanazawa University Okayama University Kumamoto University Telecommunications University Tokyo yunshu University

Nagoya Institute of Technology, Tokyo University of Science, Rikkyo University and Tongshe University.

C2: Saitama University Niigata University Shizuoka University Nara Women's University Tokyo Ocean University Tokyo Agriculture

Kyushu University of Technology, yokohama city university, Kyoto Education, Kyoto University, osaka prefecture university.

Nagoya City University Meiji University Ritsumeikan University

C3: Shiga University Shinshu University Gunma University Ibaraki University Mie University osaka kyoiku university

Kyoto Prefectural University, Otaru University of Commerce, Aoyama College, Central University, Nakagawa University, Learning College, Tsuda Women's University.

D-level university

D 1: Utsunomiya University, Gifu University, Wada University, Nagasaki University and Kashima University.

Hashimoto University of Technology Kobe Foreign Studies University Hosei University Tunxi University Beili University

D2: Wakayama University Iwate University Yamagata University Yamaguchi University Nagaoka University of Technology Toyama University Kagawa University Ehime University Hirosaki University.

Liu Du Culture University Takasaki University Hokkaido Education University Hyogo Education University Seikei University Meiji College University Nanzan University Zhipu University of Technology

D3: Oita University, Kochi University, Fukui University, Yamanashi University, Miyazaki University, Fukushima University, Noguchi Education University and National College University.