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28 June 2022
2021 Impact Factors - Released
The 2021 citation metrics have been released in the Journal Citation Reports (JCR), and we’re pleased to announce the following results for MDPI journals:

| Journal | Impact Factor | Rank | Category |
| Antioxidants | 7.675 | Q1 | Food Science & Technology |
| Biochemistry & Molecular Biology | |||
| Chemistry, Medicinal | |||
| Cells | 7.666 | Q2 | Cell Biology |
| Nutrients | 6.706 | Q1 | Nutrition & Dietetics |
| Cancers | 6.575 | Q1 | Oncology |
| Pharmaceutics | 6.525 | Q1 | Pharmacology & Pharmacy |
| International Journal of Molecular Sciences | 6.208 | Q1 | Biochemistry & Molecular Biology |
| Q2 | Chemistry, Multidisciplinary | ||
| Marine Drugs | 6.085 | Q1 | Chemistry, Medicinal |
| Pharmacology & Pharmacy | |||
| Biomolecules | 6.064 | Q2 | Biochemistry & Molecular Biology |
| Batteries * | 5.938 | Q2 | Electrochemistry |
| Energy & Fuels | |||
| Materials Science, Multidisciplinary | |||
| Viruses | 5.818 | Q2 | Virology |
| Biosensors | 5.743 | Q1 | Chemistry, Analytical |
| Instruments & Instrumentation | |||
| Q2 | Nanoscience & Nanotechnology | ||
| Journal of Fungi | 5.724 | Q1 | Mycology |
| Q2 | Microbiology | ||
| Nanomaterials | 5.719 | Q1 | Physics, Applied |
| Q2 | Chemistry, Multidisciplinary | ||
| Materials Science, Multidisciplinary | |||
| Nanoscience & Nanotechnology | |||
| Metabolites | 5.581 | Q2 | Biochemistry & Molecular Biology |
| Foods | 5.561 | Q1 | Food Science & Technology |
| Drones * | 5.532 | Q2 | Remote Sensing |
| Remote Sensing | 5.349 | Q1 | Geosciences, Multidisciplinary |
| Imaging Science & Photographic Technology | |||
| Q2 | Remote Sensing | ||
| Environmental Sciences | |||
| Journal of Theoretical and Applied Electronic Commerce Research | 5.318 | Q2 | Business |
| Antibiotics | 5.222 | Q1 | Pharmacology & Pharmacy |
| Q2 | Infectious Diseases | ||
| Pharmaceuticals | 5.215 | Q1 | Pharmacology & Pharmacy |
| Q2 | Chemistry, Medicinal | ||
| Biology | 5.168 | Q1 | Biology |
| Fermentation | 5.123 | Q2 | Biotechnology & Applied Microbiology |
| Toxins | 5.075 | Q1 | Toxicology |
| Q2 | Food Science & Technology | ||
| Bioengineering * | 5.046 | Q2 | Engineering, Biomedical |
| Polymers | 4.967 | Q1 | Polymer Science |
| Journal of Clinical Medicine | 4.964 | Q2 | Medicine, General & Internal |
| Vaccines | 4.961 | Q2 | Immunology |
| Medicine, Research & Experimental | |||
| Molecules | 4.927 | Q2 | Chemistry, Multidisciplinary |
| Biochemistry & Molecular Biology | |||
| Microorganisms | 4.926 | Q2 | Microbiology |
| Journal of Functional Biomaterials * | 4.901 | Q2 | Engineering, Biomedical |
| Materials Science, Biomaterials | |||
| Biomedicines | 4.757 | Q2 | Medicine, Research & Experimental |
| Pharmacology & Pharmacy | |||
| Biochemistry & Molecular Biology | |||
| Plants | 4.658 | Q1 | Plant Sciences |
| International Journal of Environmental Research and Public Health | 4.614 | Q1 | Public, Environmental & Occupational Health (SSCI) |
| Q2 | Public, Environmental & Occupational Health (SCIE) | ||
| Environmental Sciences (SCIE) | |||
| Membranes | 4.562 | Q1 | Polymer Science |
| Q2 | Engineering, Chemical | ||
| Materials Science, Multidisciplinary | |||
| Chemistry, Physical | |||
| Pathogens | 4.531 | Q2 | Microbiology |
| Catalysts | 4.501 | Q2 | Chemistry, Physical |
| Toxics | 4.472 | Q2 | Toxicology |
| Environmental Sciences | |||
| Gels | 4.432 | Q1 | Polymer Science |
| Journal of Cardiovascular Development and Disease | 4.415 | Q2 | Cardiac & Cardiovascular Systems |
| Chemosensors | 4.229 | Q1 | Instruments & Instrumentation |
| Q2 | Chemistry, Analytical | ||
| Q3 | Electrochemistry | ||
| Genes | 4.141 | Q2 | Genetics & Heredity |
| Diagnostics | 3.992 | Q2 | Medicine, General & Internal |
| Agronomy | 3.949 | Q1 | Agronomy |
| Plant Sciences | |||
| Land | 3.905 | Q2 | Environmental Studies |
| Sustainability | 3.889 | Q2 | Environmental Sciences (SCIE) |
| Environmental Studies (SSCI) | |||
| Q3 | Green & Sustainable Science & Technology (SCIE) | ||
| Q4 | Green & Sustainable Science & Technology (SSCI) | ||
| Sensors | 3.847 | Q2 | Instruments & Instrumentation |
| Chemistry, Analytical | |||
| Engineering, Electrical & Electronic | |||
| Materials | 3.748 | Q1 | Metallurgy & Metallurgical Engineering |
| Q2 | Physics, Applied | ||
| Physics, Condensed Matter | |||
| Q3 | Materials Science, Multidisciplinary | ||
| Chemistry, Physical | |||
| Biomimetics * | 3.743 | Q2 | Engineering, Multidisciplinary |
| Q3 | Materials Science, Biomaterials | ||
| Tropical Medicine and Infectious Disease * | 3.711 | Q1 | Tropical Medicine |
| Q2 | Parasitology | ||
| Q3 | Infectious Diseases | ||
| Lubricants * | 3.584 | Q2 | Engineering, Mechanical |
| Fractal and Fractional | 3.577 | Q1 | Mathematics, Interdisciplinary Applications |
| Water | 3.530 | Q2 | Water Resources |
| Q3 | Environmental Sciences | ||
| Micromachines | 3.523 | Q2 | Instruments & Instrumentation |
| Physics, Applied | |||
| Chemistry, Analytical | |||
| Q3 | Nanoscience & Nanotechnology | ||
| Journal of Personalized Medicine | 3.508 | Q2 | Medicine, General & Internal |
| Health Care Sciences & Services | |||
| Agriculture | 3.408 | Q1 | Agronomy |
| Processes | 3.352 | Q2 | Engineering, Chemical |
| Separations | 3.344 | Q2 | Chemistry, Analytical |
| Magnetochemistry | 3.336 | Q2 | Chemistry, Inorganic & Nuclear |
| Q3 | Chemistry, Physical | ||
| Materials Science, Multidisciplinary | |||
| Brain Sciences | 3.333 | Q3 | Neurosciences |
| Buildings | 3.324 | Q2 | Construction & Building Technology |
| Engineering, Civil | |||
| Forests | 3.282 | Q1 | Forestry |
| Energies | 3.252 | Q3 | Energy & Fuels |
| Life | 3.251 | Q2 | Biology |
| Coatings | 3.236 | Q2 | Materials Science, Coatings & Films |
| Physics, Applied | |||
| Q3 | Materials Science, Multidisciplinary | ||
| Animals | 3.231 | Q1 | Agriculture, Dairy & Animal Science |
| Veterinary Sciences | |||
| Journal of Intelligence * | 3.176 | Q2 | Psychology, Multidisciplinary |
| Fishes | 3.170 | Q1 | Marine & Freshwater Biology |
| Q2 | Fisheries | ||
| Healthcare | 3.160 | Q2 | Health Policy & Services (SSCI) |
| Health Care Sciences & Services (SCIE) | |||
| Inorganics * | 3.149 | Q2 | Chemistry, Inorganic & Nuclear |
| Insects | 3.139 | Q1 | Entomology |
| Atmosphere | 3.110 | Q3 | Meteorology & Atmospheric Sciences |
| Environmental Sciences | |||
| Current Oncology | 3.109 | Q3 | Oncology |
| ISPRS International Journal of Geo-Information | 3.099 | Q2 | Geography, Physical |
| Q3 | Computer Science, Information Systems | ||
| Remote Sensing | |||
| Diversity | 3.029 | Q2 | Biodiversity Conservation |
| Ecology | |||
| Tomography | 3.000 | Q3 | Radiology, Nuclear Medicine & Medical Imaging |
| Current Issues in Molecular Biology | 2.976 | Q3 | Biochemistry & Molecular Biology |
| Medicina | 2.948 | Q3 | Medicine, General & Internal |
| Symmetry | 2.940 | Q2 | Multidisciplinary Sciences |
| Horticulturae | 2.923 | Q1 | Horticulture |
| Machines | 2.899 | Q2 | Engineering, Mechanical |
| Engineering, Electrical & Electronic | |||
| Systems * | 2.895 | Q2 | Social Sciences, Interdisciplinary |
| Applied Sciences | 2.838 | Q2 | Engineering, Multidisciplinary |
| Physics, Applied | |||
| Q3 | Chemistry, Multidisciplinary | ||
| Materials Science, Multidisciplinary | |||
| Children | 2.835 | Q2 | Pediatrics |
| Minerals | 2.818 | Q2 | Mining & Mineral Processing |
| Mineralogy | |||
| Geochemistry & Geophysics | |||
| Universe | 2.813 | Q2 | Astronomy & Astrophysics |
| Q3 | Physics, Particles & Fields | ||
| Journal of Marine Science and Engineering | 2.744 | Q1 | Engineering, Marine |
| Q2 | Oceanography | ||
| Engineering, Ocean | |||
| Entropy | 2.738 | Q2 | Physics, Multidisciplinary |
| Fire * | 2.726 | Q2 | Forestry |
| Q3 | Ecology | ||
| Metals | 2.695 | Q2 | Metallurgy & Metallurgical Engineering |
| Q3 | Materials Science, Multidisciplinary | ||
| Electronics | 2.690 | Q3 | Engineering, Electrical & Electronic |
| Computer Science, Information Systems | |||
| Physics, Applied | |||
| Crystals | 2.670 | Q2 | Crystallography |
| Q3 | Materials Science, Multidisciplinary | ||
| Aerospace | 2.660 | Q1 | Engineering, Aerospace |
| Mathematics | 2.592 | Q1 | Mathematics |
| Photonics | 2.536 | Q3 | Optics |
| Actuators | 2.523 | Q2 | Instruments & Instrumentation |
| Q3 | Engineering, Mechanical | ||
| Veterinary Sciences | 2.518 | Q2 | Veterinary Sciences |
| Behavioral Sciences * | 2.286 | Q3 | Psychology, Multidisciplinary |
| Axioms * | 1.824 | Q2 | Mathematics, Applied |
For more information on Impact Factors and what it means to index academic journals, please visit our related blog posts.
* Journals given their first Impact Factor in 2022
Source: 2021 Journal Impact Factors, Journal Citation Reports TM (Clarivate, 2022)