Generally speaking, it would be a "nation" that is the term that is is used for “a community of people that shares territory and a government”, since the other options usually reside within said country.
Old people who are wealthier...The reason being is they have an advantage of knowing political people...They also vote to protect what they have and are not willing to give up such as, Medicare and Social Security...The lowest voting turnout would be the racially and ethnically diverse less educated.