The share of people employed in science, engineering and ICT occupations either as professionals or associate professionals. These occupations correspond to following ISCO occupations: 21 (Science and engineering professionals), 31 (Science and engineering associate professionals), 25 (Information and communication technology professionals), 35 (Information and communication technicians).

The share of these so-called "high-tech occupations" in total employment indicates the technology intensity of a sector or of a whole country. The indicator makes use of Cedefop’s Skill Projections database.