State Domestic Product, or SDP, is the total value of goods and services produced during any financial year within the geographical boundaries of a province or state. Also called the state income, SDP is always calculated or estimated in monetary terms, and is instrumental in the evaluation of per capita income

Per capita income

Per capita income or income per person is a measure of mean income within an economic aggregate, such as a country or city. It is calculated by taking a measure of all sources of income in the aggregate and dividing it by the total population...

. State here refers to a subnational entity, as in the states of the United States

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 and the states of India

States and territories of India

India is a federal union of states comprising twenty-eight states and seven union territories. The states and territories are further subdivided into districts and so on.-List of states and territories:...

. While GDP

Gross domestic product

Gross domestic product refers to the market value of all final goods and services produced within a country in a given period. GDP per capita is often considered an indicator of a country's standard of living....

gives a good estimate of the entire nation's output, SDP provides more detailed economic details about subnational territories.