Table 1. Statistics of temporal trends of productivity in various domains of science.
| Category | Actual 2020 | Predicted 2020 | AG% 2020 | DG% 2020 | AV-G 5y% | AV-G 10y% | AV-G 20y% | AV-G 50y% |
|---|---|---|---|---|---|---|---|---|
| Arts & Humanities, Interdisciplinary | ||||||||
| HUMANITIES MULTIDISCIPLINARY | 21319 | 28680 | -13.64 | -34.53 | -0.44 | 1.57 | 3.62 | 9.70 |
| Biology & Biochemistry | ||||||||
| BIOCHEMICAL RESEARCH METHODS | 19947 | 20462 | -4.35 | -2.58 | -0.01 | 0.23 | 4.66 | 7.97 |
| BIOCHEMISTRY MOLECULAR BIOLOGY | 95562 | 88346 | 3.71 | 7.55 | 4.77 | 2.57 | 2.41 | 3.75 |
| BIOLOGY | 190038 | 180260 | 4.63 | 5.15 | 3.98 | 2.97 | 3.41 | 3.92 |
| BIOPHYSICS | 18698 | 18693 | -2.50 | 0.02 | -2.36 | -0.45 | 1.83 | 3.43 |
| BIOTECHNOLOGY APPLIED MICROBIOLOGY | 40174 | 40448 | 1.86 | -0.68 | 1.83 | 2.37 | 4.91 | 7.09 |
| CELL BIOLOGY | 51815 | 54351 | 7.75 | -4.89 | 1.25 | 2.97 | 2.57 | 6.76 |
| ENVIRONMENTAL SCIENCES | 126108 | 104528 | 22.39 | 17.11 | 17.48 | 12.57 | 9.92 | 8.19 |
| FOOD SCIENCE TECHNOLOGY | 41683 | 37677 | 11.43 | 9.61 | 7.45 | 5.28 | 7.02 | 5.49 |
| GENETICS HEREDITY | 33733 | 34666 | -10.03 | -2.76 | 3.47 | 3.80 | 2.91 | 6.16 |
| MICROBIOLOGY | 71978 | 69121 | 8.64 | 3.97 | 4.05 | 3.84 | 4.86 | 5.91 |
| NEUROSCIENCES | 66554 | 73525 | -11.19 | -10.47 | 1.77 | 2.41 | 3.36 | 6.69 |
| PATHOLOGY | 20504 | 23178 | -8.91 | -13.04 | -0.95 | 0.17 | 3.93 | 3.78 |
| PHARMACOLOGY PHARMACY | 78192 | 73340 | 4.83 | 6.21 | 5.66 | 4.51 | 5.53 | 4.74 |
| PHYSIOLOGY | 14464 | 18752 | -19.38 | -29.65 | -0.19 | 0.89 | 1.08 | 2.30 |
| TOXICOLOGY | 19689 | 19968 | -3.80 | -1.42 | 4.38 | 3.19 | 5.18 | 6.47 |
| ZOOLOGY | 18164 | 18151 | 3.47 | 0.07 | 1.76 | 1.74 | 3.93 | 3.88 |
| Chemistry | ||||||||
| CHEMISTRY PHYSICAL | 88519 | 86533 | 4.49 | 2.24 | 6.45 | 5.53 | 5.47 | 4.75 |
| CHEMISTRY APPLIED | 24182 | 22020 | 5.35 | 8.94 | 8.62 | 5.55 | 5.73 | 3.85 |
| CHEMISTRY INORGANIC NUCLEAR | 14053 | 13767 | -1.38 | 2.04 | 0.51 | 0.72 | 1.48 | 3.20 |
| CHEMISTRY MEDICINAL | 20318 | 20222 | -5.38 | 0.47 | 3.46 | 3.18 | 6.92 | 4.68 |
| CHEMISTRY ORGANIC | 19917 | 19208 | -2.52 | 3.56 | -0.92 | -0.16 | 1.02 | 1.83 |
| CHEMISTRY PHYSICAL | 88519 | 86533 | 4.49 | 2.24 | 6.45 | 5.53 | 5.47 | 4.75 |
| ENERGY FUELS | 70603 | 85248 | 0.47 | -20.74 | 6.15 | 10.33 | 10.25 | 7.62 |
| ENGINEERING CHEMICAL | 52459 | 56119 | -0.24 | -6.98 | 6.04 | 6.08 | 4.81 | 4.43 |
| NANOSCIENCE NANOTECHNOLOGY | 57381 | 58831 | 4.27 | -2.53 | 6.15 | 6.44 | 14.82 | 18.97 |
| POLYMER SCIENCE | 29409 | 27439 | 7.18 | 6.70 | 7.65 | 5.18 | 4.07 | 4.65 |
| Clinical Medicine | ||||||||
| CARDIAC CARDIOVASCULAR SYSTEMS | 60258 | 61206.73 | 1.74 | -1.57 | 3.67 | 3.145 | 4.463 | 6.8078 |
| CLINICAL NEUROLOGY | 74851 | 72769.38 | -2.5 | 2.78 | 6.188 | 4.313 | 5.855 | 7.3554 |
| CRITICAL CARE MEDICINE | 22846 | 22257.41 | 11.22 | 2.58 | -7.048 | 1.207 | 6.8205 | 10.6254 |
| DERMATOLOGY | 22099 | 22446.55 | -0.65 | -1.57 | 3.952 | 3.462 | 6.259 | 5.7086 |
| ENDOCRINOLOGY METABOLISM | 36717 | 36005.65 | -3.44 | 1.94 | 3.626 | 1.526 | 3.513 | 5.8438 |
| ENGINEERING BIOMEDICAL | 23048 | 23806.15 | -11.32 | -3.29 | 0.268 | 1.307 | 6.15 | 8.0528 |
| GASTROENTEROLOGY HEPATOLOGY | 39448 | 41967.99 | -5.19 | -6.39 | 0.932 | 2.561 | 3.5415 | 7.9586 |
| GENETICS HEREDITY | 33733 | 34665.56 | -10.03 | -2.76 | 3.466 | 3.804 | 2.9135 | 6.158 |
| HEALTH CARE SCIENCES SERVICES | 32263 | 30746.6 | 17.91 | 4.7 | 6.652 | 7.988 | 8.37 | 9.3542 |
| HEMATOLOGY | 30219 | 33055.71 | -8.41 | -9.39 | -1.604 | 1.032 | 3.228 | 9.1196 |
| IMMUNOLOGY | 47858 | 48799.12 | 0.01 | -1.97 | 4.34 | 3.317 | 3.6925 | 6.3486 |
| INFECTIOUS DISEASES | 30319 | 26535.15 | 22.01 | 12.48 | 8.404 | 5.376 | 5.7335 | 9.066 |
| MEDICINE GENERAL INTERNAL | 94026 | 84526.79 | 17.75 | 10.1 | 8.258 | 7.097 | 5.582 | 3.5112 |
| MEDICINE RESEARCH EXPERIMENTAL | 53573 | 55368.62 | 10.17 | -3.35 | 5.346 | 7.1 | 7.6415 | 5.35 |
| NUTRITION DIETETICS | 23568 | 21393.85 | 8.45 | 9.23 | 7.622 | 7.444 | 7.532 | 7.0384 |
| ONCOLOGY | 110408 | 120383.12 | 3.31 | -9.03 | 3.794 | 5.376 | 8.2 | 7.9152 |
| OPHTHALMOLOGY | 21851 | 26114.41 | -11.7 | -19.51 | 1.276 | 3.149 | 4.5725 | 6.8134 |
| ORTHOPEDICS | 23261 | 22342.5 | 14.16 | 3.95 | 5.908 | 5.656 | 6.7325 | 7.9124 |
| PEDIATRICS | 37197 | 38252.52 | 2.56 | -2.84 | 5.478 | 3.42 | 5.2945 | 5.7514 |
| PERIPHERAL VASCULAR DISEASE | 25788 | 26405 | -3.51 | -2.39 | -1.054 | 0.899 | 2.406 | 6.6178 |
| PSYCHIATRY | 44193 | 45902.39 | -7.91 | -3.87 | 3.614 | 4.318 | 4.8125 | 4.757 |
| PUBLIC ENVIRONMENTAL OCCUPATIONAL HEALTH | 73492 | 64840.34 | 15.35 | 11.77 | 8.682 | 5.988 | 7.8965 | 5.5964 |
| RADIOLOGY NUCLEAR MEDICINE MEDICAL IMAGING | 44460 | 46476.37 | -4.74 | -4.54 | 1.748 | 2.717 | 4.5365 | 5.0382 |
| RESPIRATORY SYSTEM | 37279 | 44691.24 | -0.34 | -19.88 | 3.326 | 7.651 | 9.715 | 9.0338 |
| SURGERY | 100636 | 93422.46 | 9.14 | 7.17 | 5.548 | 4.401 | 4.5295 | 5.8338 |
| TOXICOLOGY | 19689 | 19967.97 | -3.8 | -1.42 | 4.38 | 3.194 | 5.1835 | 6.4662 |
| UROLOGY NEPHROLOGY | 28926 | 26467.83 | 9.34 | 8.5 | 2.826 | 1.569 | 6.735 | 9.4898 |
| Computer Science | ||||||||
| AUTOMATION CONTROL SYSTEMS | 34536 | 43057.71 | -8.77 | -24.67 | -1.58 | 4.071 | 8.0355 | 9.0812 |
| COMPUTER SCIENCE ARTIFICIAL INTELLIGENCE | 56305 | 60081.84 | -15.71 | -6.71 | 0.9 | 4.83 | 7.767 | 19.8746 |
| COMPUTER SCIENCE HARDWARE ARCHITECTURE | 17454 | 18952.39 | -10.27 | -8.58 | -5.514 | 3.509 | 5.9985 | 8.077 |
| COMPUTER SCIENCE INFORMATION SYSTEMS | 70854 | 72944.52 | -9.4 | -2.95 | 3.628 | 6.855 | 8.827 | 9.2326 |
| COMPUTER SCIENCE INTERDISCIPLINARY APPLICATIONS | 36321 | 43295.23 | -15.52 | -19.2 | -2.64 | 4.403 | 7.9415 | 11.9276 |
| COMPUTER SCIENCE SOFTWARE ENGINEERING | 23785 | 24902.11 | -13.71 | -4.7 | -0.706 | 2.73 | 4.573 | 8.6768 |
| INFORMATION SCIENCE LIBRARY SCIENCE | 12171 | 14167.87 | -10.36 | -16.41 | -3.174 | -1.215 | 0.579 | 4.041 |
| Economics & Business | ||||||||
| BUSINESS | 37153 | 38676 | 1.35 | -4.10 | 1.23 | 2.80 | 7.76 | 5.52 |
| ECONOMICS | 45657 | 54363.78 | -9.86 | -19.07 | 0.016 | 2.258 | 6.9985 | 3.9658 |
| Engineering | ||||||||
| ENGINEERING CIVIL | 38462 | 41131.86 | 8.15 | -6.94 | 9.654 | 7.143 | 7.259 | 8.762 |
| ENGINEERING ELECTRICAL ELECTRONIC | 169879 | 242180 | -15.96 | -42.56 | -3.85 | 2.80 | 5.52 | 7.04 |
| ENGINEERING MULTIDISCIPLINARY | 38588 | 46104.52 | -0.58 | -19.48 | 2.23 | 10.695 | 9.2205 | 6.2816 |
| MECHANICS | 31546 | 36892.23 | -4.03 | -16.95 | 5.64 | 7.091 | 5.46 | 6.056 |
| Environment/Ecology | ||||||||
| ECOLOGY | 27429 | 27107.22 | -2.05 | 1.17 | 5.03 | 3.514 | 4.7325 | 6.558 |
| ENGINEERING ENVIRONMENTAL | 34099 | 29726.14 | 24.28 | 12.82 | 14.332 | 8.792 | 8.2 | 11.1178 |
| WATER RESOURCES | 25835 | 26606.22 | 13.46 | -2.99 | 5.064 | 5.842 | 5.867 | 8.7278 |
| Geosciences | ||||||||
| GEOSCIENCES MULTIDISCIPLINARY | 43105 | 41771.72 | 11.37 | 3.09 | 5.846 | 7.062 | 6.5415 | 5.8538 |
| History & Archaeology | ||||||||
| HISTORY | 43993 | 54436.68 | -12.36 | -23.74 | -3.016 | 0.323 | 2.8445 | 4.7394 |
| Material Sciences | ||||||||
| MATERIALS SCIENCE MULTIDISCIPLINARY | 172164 | 167687.83 | 5.66 | 2.6 | 8.942 | 7.443 | 7.005 | 8.5788 |
| PHYSICS CONDENSED MATTER | 43381 | 40334.45 | 2.38 | 7.02 | 5.032 | 2.922 | 1.867 | 4.3896 |
| POLYMER SCIENCE | 29409 | 27438.61 | 7.18 | 6.7 | 7.652 | 5.177 | 4.0655 | 4.65 |
| Mathematics | ||||||||
| MATHEMATICS | 84204 | 82028.56 | 1.89 | 2.58 | 4.196 | 3.286 | 5.3415 | 4.7424 |
| MATHEMATICS APPLIED | 38284 | 39111.6 | -4.94 | -2.16 | 3.242 | 1.386 | 5.209 | 6.6214 |
| OPERATIONS RESEARCH MANAGEMENT SCIENCE | 17153 | 16303.62 | -7.96 | 4.95 | 0.99 | 0.742 | 6.2285 | 8.2826 |
| Multidisciplinary | ||||||||
| MULTIDISCIPLINARY SCIENCES | 95486 | 113999.43 | 8.34 | -19.39 | 5.758 | 13.297 | 9.032 | 3.6022 |
| Philosophy & Religion | ||||||||
| PHILOSOPHY | 23503 | 29163.91 | -7.66 | -24.09 | -1.262 | 1.633 | 5.3495 | 5.5128 |
| RELIGION | 20579 | 26226.77 | -14.37 | -27.44 | -2.662 | 1.656 | 6.097 | 13.6982 |
| Physics | ||||||||
| ASTRONOMY ASTROPHYSICS | 25149 | 25920.55 | -3.11 | -3.07 | 0.362 | -0.049 | 1.3755 | 3.6294 |
| BIOPHYSICS | 18698 | 18693.4 | -2.5 | 0.02 | -2.36 | -0.449 | 1.8335 | 3.4324 |
| PHYSICS APPLIED | 103707 | 109130 | 3.30 | -5.23 | 3.16 | 3.32 | 4.62 | 6.23 |
| PHYSICS ATOMIC MOLECULAR CHEMICAL | 19446 | 19589.66 | 6.05 | -0.74 | 0.52 | 1.736 | 1.7355 | 3.8318 |
| PHYSICS CONDENSED MATTER | 43381 | 40334.45 | 2.38 | 7.02 | 5.032 | 2.922 | 1.867 | 4.3896 |
| PHYSICS MULTIDISCIPLINARY | 31692 | 29105.89 | 0.28 | 8.16 | 1.872 | 2.364 | 3.234 | 1.4366 |
| PHYSICS PARTICLES FIELDS | 15872 | 15527.29 | 3.78 | 2.17 | 1.954 | 1.924 | 2.3765 | 4.2846 |
| Plant & Animal Science | ||||||||
| PLANT SCIENCES | 37714 | 37796.12 | 2.86 | -0.22 | 3.662 | 3.971 | 4.702 | 4.062 |
| Psychiatry/Psychology | ||||||||
| PSYCHIATRY | 44193 | 45902.39 | -7.91 | -3.87 | 3.614 | 4.318 | 4.8125 | 4.757 |
| PSYCHOLOGY MULTIDISCIPLINARY | 20184 | 22180.93 | 0.73 | -9.89 | 6.442 | 7.019 | 7.63 | 6.844 |
| Social Sciences, General | ||||||||
| EDUCATION EDUCATIONAL RESEARCH | 46950 | 68752.09 | -18.61 | -46.44 | -1.374 | 3.311 | 11.648 | 5.0056 |
| POLITICAL SCIENCE | 24250 | 28856.42 | -8.16 | -19 | -2.174 | 0.855 | 4.838 | 2.8022 |
| SOCIAL SCIENCES INTERDISCIPLINARY | 20168 | 35393.32 | -11.27 | -75.49 | -5.96 | 6.55 | 11.2985 | 4.4002 |
AG = Actual growth
DG = Deviation of growth
AV-G = Average growth
Green means sharp increase
Yellow means mild increase
Amber means mild decrease
Red means sharp decrease
5y means 5-year average, i.e., 2016–2020
10y means 10-year average, i.e., 2011–2020
15y means 15-year average, i.e., 2006–2020