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Methodology - Science and engineering professionals

Science and engineering

Science and engineering professionals are a narrow group of experts. Within their work activities, they conduct research, improve or develop concepts, theories and operational methods, or apply scientific knowledge relating to fields such as physics, astronomy, meteorology, chemistry, geophysics, geology, biology, ecology, pharmacology, medicine, mathematics, statistics, architecture, engineering, design, and technology.

Science and engineering professionals are defined since 2011 based upon the Classification of Occupations (CZ-ISCO) and contain the following minor groups of occupations of the CZ-ISCO sub-major group 21, which are sources of their main income:

  • 211 Physical and earth science professionals;
  • 212 Mathematicians, actuaries and statisticians;
  • 213 Life science professionals;
  • 214 Engineering professionals (excluding electrotechnology);
  • 215 Electrotechnology engineers;
  • 216 Architects, planners, surveyors and designers.

Data on the numbers of science and engineering professionals come from the Labour Force Sample Survey (LFSS). In order to ensure higher reliability and to eliminate considerable year-on-year fluctuations of values for this group of employees, data in the table are provided as three-year moving averages (i.e., for example, the value for 2021 is calculated as an average from the values for 2020, 2021, and 2022).

Data on wages of science and engineering professionals come from the structural employee wage statistics, which is generated by merging of databases of the sample survey of the Information System on Average Earnings of the Ministry of Labour and Social Affairs, which covers the wage sphere, and of the administrative data source of the Salary Information System of the Ministry of Finance, which exhaustively covers the salary sphere.

Students of and graduates from science and engineering fields of education at universities

Education at universities presented to the tertiary level of education and includes a bachelor, follow-up master, master, and doctoral study programme. The follow-up master and master study programmes are given in tables together as master study programmes.

Fields of education given are defined based on the International Standard Classification of Education: Fields of Education and Training 2013 (ISCED-F 2013) as follows: Science fields of education correspond to the broad field of Natural sciences, mathematics and statistics (code 05) and Engineering fields of education correspond to the broad field of Engineering, manufacturing and construction (code 07).

Numbers of students and graduates in tables are given as headcount, i.e. each student is included in a particular piece of data only once, including students, who study in more study programmes or more fields of education at the same time. The total numbers of students and graduates thus do not have to be equal to the sums of students and graduates of respective types of study programmes and groups of fields of education.

The data were obtained from data sources of the Ministry of Education, Youth, and Sports, namely from the Union Information from Students’ Registers (the “SIMS”). The source database of SIMS is continually completed and updated, including retrospective corrections. Data published in this Yearbook correspond to the state of processing as at 20 January 2023. Data on students of universities are always related to 31 December of the relevant year; data on graduates are related to the entire school year.