Income tax return for taxation also vary, making comparisons all the more difficult. Countries that tax income generally use one of two systems: territorial or residential. In the territorial system, only local income – income from a source inside the country – is taxed. In the residential system, residents of the country are taxed on their worldwide (local and foreign) income, while nonresidents are taxed only on their local income. In addition, a very small number of countries, notably the United States, also tax their nonresident citizens on worldwide income. Countries with a residential system of taxation usually allow deductions or credits
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