Final answer:
A characteristic of every state is a population, along with a constitution and a legislature.
Step-by-step explanation:
A characteristic of every state is a population. A state is a populated geographic area with a sovereign government, and its population is an essential component. Additionally, a constitution and a legislature are also characteristics of a state. A constitution is a collection of the most basic principles of a country or state, while a legislature is an institution composed of individuals who have the power to propose, deliberate on, adopt, and alter the laws of a state.