Scientific and technical journal articles refer to the number of scientific and engineering articles published in the following fields: physics, biology, chemistry, mathematics, clinical medicine, biomedical research, engineering and technology, and earth and space sciences.
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Botswana | 112 | 124 | 164 | 168 | 160 | 167 | 205 | 164 | 236 | 240 | 285 | 309 | 324 | 386 | 393 |
| Lesotho | 8 | 7 | 12 | 15 | 21 | 15 | 12 | 17 | 22 | 25 | 21 | 38 | 34 | 44 | 48 |
| Namibia | 21 | 53 | 38 | 49 | 64 | 85 | 92 | 100 | 101 | 114 | 161 | 158 | 204 | 231 | 220 |
| South Africa | 3,965 | 5,277 | 7,697 | 8,324 | 9,105 | 9,656 | 10,324 | 11,148 | 12,185 | 13,020 | 13,477 | 15,148 | 15,745 | 16,093 | 16,651 |
| Eswatini | 8 | 13 | 21 | 21 | 16 | 17 | 11 | 15 | 19 | 29 | 29 | 34 | 37 | 40 | 43 |