This diagram is a pie chart, divided into eleven sections showing the breakdown of government spending. The data source is HM Treasury, 2012, page 1, chart 1.
The largest category is Social protection, at £207bn.
Then, moving clockwise the pie chart presents the other categories of spending in descending order:
Health 130; Education 91; Debt interest 46; Other 43; Defence 39; Personal social services 33; Public order and safety 32; Transport 22; Housing and environment 21; Industry, agriculture and employment 19.