Gross Value Added (GVA) is a measure of the value of goods and services produced in an area, industry, or sector of an economy. This is helpful in understanding the nature of an economy and the relative size of its national economic contribution.
In England the GVA per head of population was £25,601 in 2015.
In London the GVA per head of population was £43,629 in 2015.
GVA per head of population varies across Metropolitan areas, from £17,688 in South Yorkshire to £21,626 in Greater Manchester (based on 2015 data).