Income tax in the United States dates. Some states permit related corporations to file combined or consolidated returns. Most states and localities imposing income tax require estimated payments where tax exceeds certain thresholds, and require withholding tax on payment of wages. Puerto Rico is treated as a separate taxing entity from the USA; its income tax rates are set independently, and only some residents there pay federal income taxes (though everyone must pay all other federal taxes). The unincorporated territories Guam, American Samoa, and the Virgin Islands also impose income tax separately, under a "mirror" tax law based on federal income tax law. Proposals have been
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