30 years ago, the members of the Conseil d'État were assisted by 150 personnel discharging administrative duties. Today, the number of personnel has increased to 438. Their administrative duties include providing services for users (reception, information, communication), general administration, human resources (training, social benefits), budget and financial management, auditing, and the upkeep of databases, document databanks, information technology systems, networks and infrastructural logistics.
In 30 years, the number of consultations delivered and disputes handled by the Conseil d'État has more than doubled. Through its supervision of all administrative tribunals, courts of appeal, as well as the National Court of Asylum, the Conseil d'État is in charge of nearly 2,800 administrative judges and clerks.