The UIS Glossary includes statistical terms related to education, science, technology and innovation, culture, and communication & information . Some of the entries contain translations in one or more of the following languages: Arabic, English, French and Spanish. Other entries provide more detailed information, such as definitions, calculation formulas for indicators and sources. Indicators are marked with an asterisk (*).

This is a dynamic tool, which is regularly updated by the UIS. The Institute welcomes feedback from users. Questions and comments should be sent to
Browse by letter
Search by word
  • Language
  • English
  • French
  • Spanish
  • Arabic
  • Russian
  • Chinese
Browse by tag
Show all terms on one page

Main job / Primary job

It is defined by the 19th International Classification of Status in Employment (ICLS) as the job in which the longest hours are usually worked.
Source Definition
ILO 2013 - Resolution concerning statistics of work, employment and labour underutilization.

Emploi principal / Poste de travail principal

19ième Classification internationale d’après la situation dans la profession (CIST) l’a défini comme étant l’emploi pour lequel le nombre d’heures habituellement effectuées est le plus élevé.
Source de la définition
ILO 2013 - Résolution concernant les statistiques du travail, de l’emploi et de la sous-utilisation de la main-d’oeuvre.

Trabajo principal / Puesto de trabajo principal

19a Clasificación Internacional de la Situación en el Empleo (CIET) se definió como el empleo como aquel al que corresponde el mayor número de horas habitualmente trabajadas.
Fuente(s) de la definición
ILO 2013 - Resolución sobre las estadísticas del trabajo, la ocupación y la subutilización de la fuerza de trabajo.