|
| | school | impact score (1996-2000) | school | impact score (2001-2005) | | school | impact score (2006-2010) | | school | impact score (2011-2015) | |
|
| 1 | Pusan Natl Univ | 6.44 | Pusan Natl Univ | 7.12 | - | Natl Univ Singapore | 34.97 | ▲ | Natl Univ Singapore | 98.16 | - |
| 2 | Natl Univ Singapore | 3.68 | Natl Univ Singapore | 4.33 | - | Istanbul Tech Univ | 24.40 | - | Hong Kong Polytech Univ | 42.30 | ▲ |
| 3 | Chinese Acad Sci | 3.14 | Hong Kong Polytech Univ | 3.33 | ▲ | Hong Kong Polytech Univ | 19.92 | - | Norwegian Univ Sci & Technol | 39.96 | ▲ |
| 4 | Univ Queensland | 2.93 | Univ Hawaii Manoa | 3.30 | ▲ | Pusan Natl Univ | 18.40 | ▼ | Nanyang Technol Univ | 33.29 | ▲ |
| 5 | Hong Kong Polytech Univ | 2.73 | Chinese Acad Sci | 3.14 | ▼ | Natl Kaohsiung Marine Univ | 12.50 | - | Dalian Maritime Univ | 32.20 | ▲ |
| 6 | Univ Edinburgh | 2.44 | Univ Queensland | 2.93 | ▼ | Univ Calabria | 12.16 | ▲ | Pusan Natl Univ | 31.76 | ▼ |
| 7 | Penn State Univ | 2.39 | Univ Hong Kong | 2.60 | ▲ | Univ Genoa | 10.31 | ▲ | Delft Univ Technol | 29.53 | ▲ |
| 8 | Norwegian Univ Sci & Technol | 2.36 | Norwegian Univ Sci & Technol | 2.56 | - | Erasmus Univ | 10.01 | ▲ | Univ Antwerp | 29.44 | ▲ |
| 9 | Erasmus Univ | 2.28 | Erasmus Univ | 2.52 | - | Georgia Inst Technol | 9.90 | ▲ | Erasmus Univ | 28.32 | ▼ |
| 10 | Carnegie Mellon Univ | 2.25 | Univ Genoa | 2.52 | ▲ | Univ Wisconsin | 9.85 | - | Shanghai Maritime Univ | 27.10 | ▲ |
|
| 11 | Hong Kong Univ Sci & Technol | 1.89 | Univ Texas | 2.44 | - | Univ Hong Kong | 9.64 | ▼ | Tech Univ Denmark | 25.07 | - |
| 12 | Univ Hawaii Manoa | 1.78 | Hong Kong Univ Sci & Technol | 2.29 | ▼ | Norwegian Univ Sci & Technol | 9.54 | ▼ | Old Dominion Univ | 24.22 | - |
| 13 | Univ So Calif | 1.76 | Carnegie Mellon Univ | 2.25 | ▼ | Univ Piraeus | 8.96 | ▲ | Univ Wollongong | 22.55 | - |
| 14 | World Bank | 1.71 | Univ Piraeus | 2.02 | ▲ | Univ Antwerp | 8.41 | - | Univ Genoa | 22.01 | ▼ |
| 15 | Univ Tennessee | 1.52 | Natl Tech Univ Athens | 1.99 | ▲ | Natl Cheng Kung Univ | 8.39 | ▲ | Aalto Univ | 21.88 | - |
| 16 | Univ Genoa | 1.51 | Natl Cheng Kung Univ | 1.83 | ▲ | Delft Univ Technol | 8.06 | - | Univ Plymouth | 21.64 | ▲ |
| 17 | Univ Calif Riverside | 1.40 | Univ So Calif | 1.76 | ▼ | Univ Plymouth | 7.70 | - | Shanghai Univ | 19.62 | ▲ |
| 18 | Georgia Inst Technol | 1.38 | World Bank | 1.71 | ▼ | Shanghai Maritime Univ | 7.62 | - | Shanghai Jiao Tong Univ | 19.36 | ▼ |
| 19 | Natl Tech Univ Athens | 1.36 | Univ Calabria | 1.68 | ▲ | Univ So Calif | 7.29 | ▼ | Natl Kaohsiung Marine Univ | 18.79 | ▼ |
| 20 | Univ Calabria | 1.32 | Queensland Univ Technol | 1.67 | ▲ | Vrije Univ Amsterdam | 6.75 | - | Natl Taiwan Ocean Univ | 18.51 | ▲ |
|
| 21 | Florida Int Univ | 1.28 | Georgia Inst Technol | 1.61 | ▼ | Chinese Acad Sci | 6.66 | ▼ | Hong Kong Univ Sci & Technol | 18.46 | ▼ |
| 22 | Univ Piraeus | 1.25 | Florida Int Univ | 1.60 | ▼ | Chalmers | 6.46 | - | Istanbul Tech Univ | 17.41 | ▼ |
| 23 | USN | 1.24 | Univ Tennessee | 1.52 | ▼ | Univ Washington | 6.16 | - | Cardiff Univ | 16.12 | ▼ |
| 24 | Swedish Univ Agr Sci | 1.23 | Fluent Inc | 1.48 | - | Chang Jung Christian Univ | 5.86 | - | Liverpool John Moores Univ | 15.03 | ▼ |
| 25 | Kobe Univ Mercantile Marine | 1.19 | Univ Calif Riverside | 1.40 | ▼ | Cardiff Univ | 5.46 | - | Tongji Univ | 13.87 | - |
| 26 | Liverpool John Moores Univ | 1.17 | Penn State Univ | 1.32 | ▼ | Shanghai Jiao Tong Univ | 5.19 | - | Norwegian Marine Technol Res Inst MARINTEK | 13.81 | - |
| 27 | Univ Hong Kong | 1.03 | Univ Adelaide | 1.29 | - | Univ Western Australia | 5.17 | - | Univ A Coruna | 13.19 | - |
| 28 | Univ Liege | 1.00 | Liverpool John Moores Univ | 1.27 | ▼ | Univ London Imperial Coll Sci Technol & Med | 5.14 | - | Edinburgh Napier Univ | 13.16 | - |
| 29 | Calif State Univ Bakersfield | 0.96 | Univ Missouri | 1.25 | ▲ | Vilnius Gediminas Tech Univ | 5.10 | - | Univ La Laguna | 13.12 | - |
| 30 | Univ Sydney | 0.93 | Swedish Univ Agr Sci | 1.23 | ▼ | Rutgers State Univ | 5.10 | ▲ | Natl Tech Univ Athens | 13.06 | ▲ |
|
| 31 | Rutgers State Univ | 0.92 | Kobe Univ Mercantile Marine | 1.19 | ▼ | Univ Portsmouth | 5.08 | - | Univ Las Palmas Gran Canaria | 12.88 | - |
| 32 | Univ Glamorgan | 0.92 | World Maritime Univ | 1.16 | - | Natl Taiwan Ocean Univ | 5.04 | ▲ | Univ London Imperial Coll Sci Technol & Med | 12.08 | ▼ |
| 33 | Univ Ottawa | 0.90 | Natl Taiwan Ocean Univ | 1.05 | - | Queensland Univ Technol | 4.69 | ▼ | Univ Calabria | 12.06 | ▼ |
| 34 | Korea Adv Inst Sci & Technol | 0.90 | Texas A&M Univ | 1.04 | - | Kobe Univ | 4.63 | ▲ | Univ Aegean | 11.41 | - |
| 35 | Univ Missouri | 0.90 | Univ Delaware | 1.02 | ▲ | Nanyang Technol Univ | 4.29 | - | ExxonMobil Res & Engn Co | 11.34 | - |
| 36 | GKSS Forschungszentrum Geesthacht GmbH | 0.89 | Univ Liege | 1.00 | ▼ | Univ Halle Wittenberg | 4.24 | - | Eindhoven Univ Technol | 11.33 | - |
| 37 | NOAA | 0.89 | Newcastle Univ | 0.98 | - | Univ Politecn Cataluna | 4.19 | - | Chung Ang Univ | 11.11 | - |
| 38 | Cornell Univ | 0.88 | Calif State Univ Bakersfield | 0.96 | ▼ | Natl Tech Univ Athens | 4.19 | ▼ | Univ Seville | 11.07 | - |
| 39 | Univ Delaware | 0.88 | Univ Sydney | 0.93 | ▼ | Univ Ulsan | 4.18 | - | Inha Univ | 10.97 | - |
| 40 | Univ Illinois | 0.81 | Kobe Univ | 0.91 | - | Scottish Agr Coll | 4.13 | - | Univ Piraeus | 10.66 | ▼ |
|
| 41 | Univ E Anglia | 0.80 | Univ Ottawa | 0.90 | ▼ | Univ N Carolina | 4.10 | - | Univ S Carolina | 10.35 | - |
| 42 | Queensland Univ Technol | 0.76 | Univ Michigan | 0.89 | - | Molde Univ Coll | 3.96 | - | Univ British Columbia | 10.18 | - |
| 43 | Aplus Flash Technol Inc | 0.75 | GKSS Forschungszentrum Geesthacht GmbH | 0.89 | ▼ | Dalian Maritime Univ | 3.82 | - | Univ Bergen | 10.18 | - |
| 44 | Kyungsung Univ | 0.74 | NOAA | 0.89 | ▼ | Univ Calif Berkeley | 3.77 | - | Newcastle Univ | 9.76 | ▼ |
| 45 | Univ Carlos III Madrid | 0.73 | Cornell Univ | 0.88 | ▼ | Stevens Inst Technol | 3.76 | - | Univ Sydney | 9.50 | ▼ |
| 46 | Natl Cheng Kung Univ | 0.73 | Fern Univ Hagen | 0.82 | - | CNR | 3.56 | - | Georgia Inst Technol | 9.47 | ▼ |
| 47 | Univ Pittsburgh | 0.72 | Univ Illinois | 0.81 | ▼ | Hanyang Univ | 3.48 | - | Univ Valencia | 9.27 | - |
| 48 | Korea Maritime Inst | 0.72 | Univ E Anglia | 0.80 | ▼ | Purdue Univ | 3.43 | - | Univ Politecn Valencia | 9.08 | - |
| 49 | Tech Univ Berlin | 0.72 | McGill Univ | 0.78 | - | Tsinghua Univ | 3.36 | - | Wuhan Univ Technol | 9.04 | - |
| 50 | Univ Wales Coll Cardiff | 0.72 | CNRS ULP | 0.78 | - | Univ Sci & Technol China | 3.29 | - | Univ Wisconsin | 8.81 | ▼ |
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