Income tax in the United States increase complexity, irrespective of the system's flatness or lack thereof. Income tax is also levied by most U.S. states and many localities on individuals, corporations, estates, and trusts. These taxes are in addition to federal income tax and are deductible for federal tax purposes. State and local income tax rates vary from 1% to 16% of taxable income. Some state and local income tax rates are flat (single rate) and some are graduated. State and local definitions of what income is taxable vary highly. Some states incorporate the federal definitions by reference. Taxable income is defined separately and differently for
Lifetime income tax would make the first 8-10 years of the average Canadian's working life income tax-free. After that point, each next $250,000 of lifetime earnings would taxed at a progressively higher rates (14% rate until reaching $500,000, 20% until reaching $750,000, 24% until reaching $1 million, and 27% above $1 million). Critics argued that the system would actually increase taxation complexity, increase effective tax burdens, and increase taxation on older people and single families. Stephen Harper won the leadership election on the first ballot and Clement's ideas received no further significant airing. Lifetime income tax Lifetime income tax is a proposal for