United Kingdom has the world's fifth-largest economy by market value of all final goods and services from a nation in a given year which is known as nominal GDP.
Gross domestic product ( GDP ) is a monetary measure of the market value of all final goods and services produced in a period ( quarterly or yearly ) . United Kingdom . The United Kingdom is a developed country and has the world 's fifth-largest economy by nominal GDP and ninth-largest economy by purchasing power parity .