Total income is the amount on which the Income Tax is paid. Total income include all income that accrue, arise, earned or received. Total Income is the total amount earned by an individual or organization, including income from employment or providing services, revenue from sales, payments from pension plans, income from dividends or other sources. Total income is generally calculated for the assessment of taxes, evaluating the net worth of a company or determining an individual or organization's ability to make payments on a debt.