The United States order of precedence is a nominal and symbolic hierarchy of important positions within the government of the United States. The order is established by the President of the United States and can be changed at his direction. It has no legal standing and is instead used to dictate ceremonial protocol.
... The median age is 28 years. For every 100 females there are 82.8 males. For every 100 females age 18 and over, there are 78.8 males.
The median income for a ...