a budget deficit refers to when a 12 month period has a net outflow of money as government expenditure exceeds tax revenue
A budget surplus refers to when tax revenue is greater than government expenditure in a 12 month period
National debt refers to the total accumulation of budget deficits from many years, and is what the government owes
the UK has a national debt of £2.7 trillion, and its national debt is 97.6% of its GDP
16% of the UK's working population is employed in the public sector, meaning less government expenditure will cause high unemployment
1.6 million are employed by the NHS, 1.5 million work in education, and 1.1 million work in public administration
The UK government finances their debt by issuing Gilts, a bond issued by the government which pays the holder a fixed cash payment (interest) until maturity
upon maturity, the bondholder receives their initial investment back from the government as well as their interest