With this system and there currently being 18 types, there is a total of 324 possible ways to assign types to Pokémon, with 171 unique combinations, 162 of which have been used as of Generation IX.
Forms of government by regional control ... Forms of government by power source ... Types of democracy ... Types of oligarchy Oligarchies are societies controlled and organised by a small class of privileged people, with no intervention from the most part of society; this small elite is defined as sharing some common trait.