Each country section contains:
* Brief explanation of its type of government and the respective roles of the head of state, the head of government and the legislature
* Listing of the most recent heads of state and head of government, with dates of office
* Biographical profiles of the current head of state and head of government, and other recent incumbents of these positions who remain significant and active political leaders
* Photographic section with pictures of many of the world's political leaders, and
* Full index by name, date of taking office, and source of authority.