Discretionary income is calculated by taking your gross income minus your expenses and what you are left with is discretionary income. Most Americans do not have a large amount of discretionary income.

Households spend most of their discretionary income on consumption.

Formulas are: Disposable income = consumption expenditure + savings - support of others; Discretionary income = Gross income - taxes - necessities. Although denotatively wrong, disposable income is commonly used to denote discretionary income.

Formulas are: Disposable income = consumption expenditure + savings - support of others; Discretionary income = Gross income - taxes - necessities. Although denotatively wrong, disposable income is commonly used to denote discretionary income.

Formulas are: Disposable income = consumption expenditure + savings - support of others; Discretionary income = Gross income - taxes - necessities. Although denotatively wrong, disposable income is commonly used to denote discretionary income.