GDP is the total value of all final goods and services produced in a country in one year. The United States has the highest GDP and GDP per capita at $36,000, which is calculated by dividing GDP by total population. Unemployment is measured as the percentage of the labor force that is without a job but seeking work, currently at 7.6% nationally and 7% in North Carolina. Personal income includes wages, investment returns, and government payments like Social Security. Productivity measures output per input and is increased by training, better equipment, and motivation. GDP components are consumer spending, business spending, government spending, and net exports.