How many corporation are under the Roman Curia?

The Roman Curia comprises various departments, known as congregations, councils, and other bodies, which assist the Pope in governance and administration of the Catholic Church. There are currently 16 congregations, along with several councils and other entities, such as the Apostolic Camera and the Secretariat of State. The exact number of all entities under the Curia can vary as new offices may be established or existing ones restructured.