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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Business concentration *

Total of market share, based on Gross Box Offices or admissions, of the three leading exhibiting or distributing companies. Market shares should be calculated on the basis of all films in distribution during the year for which box offices receipts or admissions are recorded.
Source Definition
UNESCO Institute for statistics

Degré de concentration *

Part de marché totale des trois compagnies d'exploitation ou de distribution basée sur les recettes guichet brutes et les entrées. Les parts de marché doivent être calculées en se basant sur tous les films distribués durant l'année pour lesquels les entrées et les recettes guichet ont été enregistrées.
Source de la définition
Institut de statistique de l'UNESCO

Concentración empresarial *

Participación total en el mercado, basada en la recaudación bruta, de las tres principales empresas de exhibición o distribución. La participación en el mercado se debe calcular sobre la base de todas las películas distribuidas durante el año para las cuales se lleva un registro de entradas o recaudación.
Fuente(s) de la definición
Instituto de estadística del UNESCO