Researchers in R&D are professionals engaged in the conception or creation of new knowledge, products, processes, methods, or systems and in the management of the projects concerned. Postgraduate PhD students (ISCED97 level 6) engaged in R&D are included.
| 2000 | 2005 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Áustria | 3.471 | 4.379 | 4.431 | 4.721 | 4.782 | 5.009 | 5.073 | 5.400 | 5.416 | 5.682 | 5.959 | 5.829 | 6.323 | 6.659 | |
| Bélgica | 2.983 | 3.173 | 3.756 | 3.880 | 4.117 | 4.162 | 4.545 | 4.732 | 4.798 | 4.757 | 5.040 | 5.291 | 5.419 | 6.597 | 6.983 |
| Chipre | 439 | 930 | 1.105 | 1.092 | 1.022 | 1.027 | 1.051 | 1.011 | 1.059 | 1.210 | 1.408 | 1.658 | 1.740 | 1.743 | 1.728 |
| Estônia | 1.903 | 2.451 | 3.058 | 3.393 | 3.458 | 3.338 | 3.286 | 3.188 | 3.296 | 3.552 | 3.766 | 3.770 | 3.836 | 4.036 | 4.655 |
| Finlândia | 7.559 | 7.741 | 7.442 | 7.492 | 7.223 | 7.022 | 6.856 | 6.544 | 6.731 | 6.873 | 7.246 | 7.548 | 7.870 | 8.073 | |
| França | 2.903 | 3.298 | 3.850 | 3.921 | 4.052 | 4.134 | 4.210 | 4.311 | 4.392 | 4.547 | 4.671 | 4.774 | 4.883 | 5.058 | 5.182 |
| Alemanha | 3.154 | 3.316 | 4.056 | 4.192 | 4.356 | 4.380 | 4.336 | 4.755 | 4.840 | 5.058 | 5.209 | 5.399 | 5.390 | 5.521 | 5.787 |
| Grécia | 1.787 | 2.217 | 2.236 | 2.655 | 2.734 | 3.197 | 2.727 | 3.251 | 3.416 | 3.645 | 4.008 | 4.244 | 4.927 | ||
| Irlanda | 2.256 | 2.821 | 3.117 | 3.341 | 4.874 | 5.142 | 5.291 | 5.242 | 5.144 | 5.114 | 4.657 | 4.961 | 5.196 | 5.213 | 5.512 |
| Itália | 1.155 | 1.413 | 1.723 | 1.761 | 1.831 | 1.916 | 1.947 | 2.076 | 2.210 | 2.322 | 2.524 | 2.671 | 2.615 | 2.659 | 2.796 |
| Látvia | 1.601 | 1.458 | 1.837 | 1.902 | 1.909 | 1.791 | 1.872 | 1.819 | 1.601 | 1.785 | 1.786 | 1.891 | 2.134 | 2.395 | 2.270 |
| Lituânia | 2.215 | 2.276 | 2.736 | 2.748 | 2.671 | 2.879 | 3.082 | 2.795 | 2.950 | 3.068 | 3.181 | 3.445 | 3.643 | 3.947 | 4.154 |
| Luxemburgo | 3.800 | 4.826 | 5.200 | 5.526 | 4.402 | 4.662 | 4.783 | 4.636 | 4.802 | 4.969 | 4.755 | 5.091 | 4.689 | 4.939 | 4.879 |
| Holanda | 2.638 | 2.909 | 3.210 | 3.648 | 4.336 | 4.887 | 4.926 | 4.892 | 5.109 | 5.273 | 5.497 | 5.592 | 5.799 | 6.004 | 6.319 |
| Portugal | 1.634 | 2.013 | 3.924 | 4.166 | 4.032 | 3.606 | 3.658 | 3.725 | 3.992 | 4.348 | 4.614 | 4.859 | 5.131 | 5.431 | 5.687 |
| Eslováquia | 1.851 | 2.031 | 2.817 | 2.841 | 2.827 | 2.723 | 2.724 | 2.659 | 2.609 | 2.803 | 3.003 | 3.117 | 3.167 | 3.211 | 3.387 |
| Eslovênia | 2.184 | 2.634 | 3.770 | 4.288 | 4.331 | 4.237 | 4.167 | 3.837 | 3.940 | 4.511 | 4.880 | 5.061 | 5.187 | 5.235 | 5.370 |
| Espanha | 1.874 | 2.516 | 2.880 | 2.775 | 2.693 | 2.624 | 2.614 | 2.623 | 2.713 | 2.847 | 2.984 | 3.048 | 3.052 | 3.230 | 3.387 |
| Malta | 1.162 | 1.392 | 1.761 | 1.969 | 1.880 | 1.835 | 1.865 | 1.990 | 2.027 | 1.905 | 1.903 | 1.965 | 2.158 | 2.428 |