GDP is a key indicator of the state of the whole economy. In the UK, three theoretical approaches are used to estimate GDP: 'production', 'income' and 'expenditure'.
Gross Domestic Product (GDP)
Source: Office for National Statistics
Link: https://www.ons.gov.uk/economy/grossdomesticproductgdp/datasets/quarterlynationalaccounts
More information about GDP can be found on the Office for National Statistics website.
