$706.6 billion: exclusion of employer contributions for healthcare, health insurance premiums and long term care insurance premiums.
$596.0 billion: reduced rates of taxation on dividends and long term capital gains.
$505.3 billion: net exclusion of pension contributions and earnings to defined benefit/contribution plans.
$364.0 billion: mortgage interest deduction.
$319.7 billion: earned income tax credit.
$305.0 billion: exclusion of Medicare Parts A&B benefits.
$289.4 billion: credit for children under 17.
$259.2 billion: deduction of nonbusiness state and local government income taxes, sales taxes and personal property taxes.
$239.7 billion: deferral of active income of controlled foreign corporations.
$236.1 billion: exclusion of capital gains at death.
$184.3 billion: subsidies for participation in healthcare exchanges.
$182.8 billion: exclusion of interest on public purpose state and local government bonds.
$175.8 billion: exclusion of benefits provided under cafeteria plans.
$172.4 billion: deduction for charitable contributions.
$172.1 billion: exclusion of untaxed Social Security and railroad retirement benefits.
$153.8 billion: exclusion of investment income on life insurance and annuity contracts.
$143.0 billion: property tax deduction.
$124.1 billion: exclusion of capital gains on the sale of a home.
$119.1 billion: credits for tuition for post-secondary education.
