1) Equality of political rights 
equal law; rights or privileges
• (n.) Equal law or right; equal distribution of rights and privileges; similarity.
I·son'o·my noun [ Greek ...: confer French isonomie . See Isonomic .] Equal law or right; equal distribution of rights and privileges; similarity. 
isonomy, isonomic, isonomous Equality of laws, or of people before the law; equality of political rights and privileges among the citizens of a state.
equality of political rights.