^The national government imposes an income tax rate of 10%. Residents of a municipality also pay a joint municipal tax of 6% (collected by the national government and distributed to the municipality) and a municipal tax of 26% or 28% (depending on the municipality), for a total income tax rate of 42 or 44%. Residents of an unincorporated area pay an additional tax of 26% (set by the national government for the area), for a total income tax rate of 36%.[19]
^Applies to Guernsey and Alderney.[15]Sark does not tax income, but taxes assets at a flat rate with minimum and maximum amounts.[20]
^The autonomous region of Kurdistan taxes personal income at a flat rate instead of the progressive rates set by the federal government of Iraq.[21]
^Composed of a regular tax rate of 18% and a military tax of 1.5%.[15]
^In Ertholmene, which is not part of a municipality, there is no municipal tax.[30]
^ abcdePlus church tax for members of certain religions, also at a flat rate.
^Most municipalities in every region, including all municipalities in ヴァッレ・ダオスタ州, do not tax income. Of the municipalities that tax income, most in every region, including all in Basilicata, Molise and Sicily, use a flat rate, but some use progressive rates.[35]
^Also applies to other Norwegian territories except Svalbard.[38]
^The combined county and municipal tax rate ranges from 29.08 to 35.15%.[39] In Gotland, the only municipality handles both county and municipal functions, so the county does not tax income and the municipality uses a tax rate similar to the combined rate in other counties.
^All other cantons and municipalities use progressive rates.
^The national progressive rates apply to England and Northern Ireland without modifications. They are reduced in Wales, whose government adds a flat rate.[42]Scotland replaces the national rates with its own progressive rates.[43]
^All other states, counties and municipalities either use progressive rates or do not tax income.
^Most counties and most municipalities in this state do not tax income,[45] and all those that do use a flat rate. Where a county or municipal tax exists, the combined rate ranges from 0.5 to 4% depending on the location.
^ abcMost municipalities in this state do not tax income. All those that do use a flat rate.
^No counties or municipalities in this state tax income from work, but some tax interest and dividends, all using a flat rate. Where a county or municipal tax exists, the combined rate ranges from 0.5 to 3% depending on the location.[52]
^ abcOnly applies to interest and dividends. This jurisdiction does not tax income from work.
^Most counties, some municipalities and some school districts in this state tax income, most using a flat rate but some using regressive rates.[54] Where a county, municipal or school district tax exists, the combined rate ranges from 0.45 to 4.25% depending on the location.[55][56][57][58]
^Including the city of Baltimore, which is equivalent to a county.
^Most municipalities and some school districts in this state tax income, all using a flat rate. Where a municipal or school district tax exists, the combined rate ranges from 0.25 to 4.5% depending on the location.[69][70]
^Most municipalities and most school districts in this state tax income, all using a flat rate. Where a municipal or school district tax exists, the combined rate ranges from 0.312 to 3.8712% depending on the location.[72]