Museums of the World covers in its 13th edition 52,953 museums in 201 countries. They are listed hierarchically by country and place, and within places, alphabetically by name. A separate chapter records 504 museum organizations in 131 countries with addresses. The museums are coded by 22 categories identifying the focus and type of each institution.
A typical entry contains the following details:
- name of the museum in the original language with English translation where necessary,
- address, telephone number, fax,
- eMail address and URL,
- museum type,
- year of foundation,
- name of the director and museum staff,
- special collections and equipment,
- number of the entry.
In addition, there is an alphabetical index of museums, a subject index, an index of persons covering academic staff working in museums, and a personality index, recording artists whose works are shown predominantly in a specific museum and/or refering to memorabilia of famous individuals.