The next major expenditure heading refers to measures reflecting supposed socio-economic deprivation.

Italicized expenditures refer to submitted totals, and are presented when the final reviewed total are not available.

Italicized expenditures from elections after 1997 refer to candidate submissions, and are presented when the final reviewed totals are not available.

In some cases, this expenditure can refer to new fixed investment, in others only to operating costs relating to the maintenance or repair of fixed assets.

Provincial expenditures refer to individual candidate expenses.

Provincial expenditures refer to the Total Candidate's Campaign Expenses Subject to Limitation, and include transfers from constituency associations.

Unlabelled expenditure refers to unplanned spending and is estimated through modeling techniques, based on a top-down budgetary procedure.