How many leaders and civilizations are there?
In Civilization 4, there are 18 civilizations and 26 leaders (8 of the civilizations have two leaders). Warlords added 6 new civilizations as well as 10 leaders (1 for each of the new civilizations, and 4 additional ones for civilizations in Civilization 4). This makes a total of 24 civilizations and 36 leaders!