This essay provides a comprehensive analysis of the effects of Brexit on the standard of living in the United Kingdom. It begins with an introduction to the European Union, the events leading to the UK's decision to leave, and a definition of Brexit. The main body of the essay delves into macroeconomic policy analysis, including the variables used to assess Brexit's impact, such as balance of payments, monetary policies, economic leading indicators, migration, business tendencies, unemployment, and wages. The paper explores the background of the UK economy before Brexit, its trading relationship with the EU, and the major opinions and predictions surrounding Brexit. It evaluates the potential positive and negative effects of Brexit, covering areas like trade regulations, immigration, and economic policies. The essay concludes with recommendations based on the analysis of the economic impacts of Brexit on the UK economy and the living standards of the population.