Government by the people and Self-government

Self-government and government by the people are semantically related. In some cases you can use "Self-government" instead a noun phrase "Government by the people".

Self-government noun - Government in which the supreme power is held by the people and used by them directly or indirectly through representation.

Government by the people and self-government are semantically related. You can use "Government by the people" instead a noun phrase "Self-government".