Les Arts Décoratifs manage four museums : the Musée des Arts Décoratifs, the Musée de la Mode et du Textile, the Musée de la Publicité and the Musée Nissim de Camondo. They are classified as national museums in accordance with article 18.I of law 2002-5 of 4 January 2002 on French Museums, placed under the authority of the Minister of Culture and administered by the director of the Musées de France.
A total of some 357.100 works 1  is divided between the various museums as follows:
Arts Décoratifs : 150,000 works in departments organized by period or specialty: from medieval furniture to contemporary design via the 18th-century in France, the Empire, Art Nouveau and Art Deco; as well as large collections of jewelry, toys, wallpaper, gold work, ceramics, glass, drawings and an Islamic and Oriental collection.
Publicité : some 100,000 historical and contemporary posters as well as over 20,000 French and foreign advertising films from the 1930s to the present day, radio commercials, promotional objects, packaging, etc.
Mode et textile : 86,000 items of costume, accessories and textiles which trace the development of costume from the Copts to the present day and the development of new textiles since the 14th century. Complemented by a permanent loan from Ufac (Union française des Arts du costume), numbering over 45,000 costumes and accessories.
Musée Nissim de Camondo : 1,100 works making up one of the finest sets of furniture and objets d’art from the second half of the 18th century in France. Under the terms of his will, nothing can be added to Moïse de Camondo’s art collections.
On average, 2,700 works join the collections each year .
The Library of the Arts Décoratifs now contains 120,000 printed volumes, books, and exhibition catalogs, including: 1,500 Salon catalogs, 1,800 catalogs for the Universal Exhibitions since 1851, 17,000 rare books from the 15th to the 21st century, 500 Japanese illustrated books and scrolls from the 18th and 19th centuries, 2,000 periodicals including 200 full sets. 40,000 sales catalogs from the 18th century to the present day, a collection of 19th-century photographs, records of interior architecture in the 20th century… The 5,000 albums in the Maciet picture collection, containing thousands of engravings and original photographs, are currently being digitized.
 This figure does not include loans to the Arts Décoratifs by national institutions, including the Fonds national d’art contemporain (about 4,481 objects), or the loan made by the Union française des Arts du costume (UFAC) to the Musée de la Mode et du Textile (45,200 items of clothing and accessories)
 Average calculated from 1995