evidence: In 2020, gross disposable household income (GDHI) per head in the UK fell 0.2% when compared with 2019; England fell by 0.2% and Northern Ireland by 0.5%, while Wales and Scotland reported increases of 0.9% and 0.3%, respectively. Of the countries and regions classified by International Territorial Levels (ITL1) in 2020, London had the highest GDHI per head where, on average, each person had £29,890 available to spend or save; Northern Ireland had the lowest at £17,301, which compares with a UK average of £21,440. [...] UK total gross disposable household income (GDHI) in 2020 was £1.4 trillion. Of that, 86.4% was in England, 7.5% was in Scotland, 3.9% was in Wales and Northern Ireland had the lowest share of total GDHI in 2020 at 2.3%. When compared with the size of each country's population, only England had a GDHI per head above the UK average.