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 (*).

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Duration

Definition
Number of grades or years in a given level of education.

Durée d'études

Définition
Nombre d'années d'études d'un cycle d'éducation donné.

Duración

Definición
Número de grados (años) en un nivel de educación dado.

مدة الدراسة

التعريف
وتعني عدد الصفوف أو السنوات الدراسية الخاصة بمرحلة تعليمية معينة.

Продолжительность обучения

Определение
Число классов (лет) на данном уровне образования.

持续时间\学制

定义
特定教育阶段的年级数或年数。