Northwest Territories

Form NT428, Northwest Territories Tax, is used to calculate your Northwest Territories tax.

Form NT479, Northwest Territories Credit, is used to calculate your refundable credit.

Northwest Territories Tax (NT428)

Tax rates for 2018

  • 5.9% on the first $42,209 of taxable income, plus
  • 8.6% on the portion of taxable income more than $42,209, but not more than $84,420, plus
  • 12.2% on the portion of taxable income more than $84,420, but not more than $137,248, plus
  • 14.05% of taxable income over $137,248

Non-refundable tax credits and other credits

Northwest Territories offers the following credits to further reduce your amount of territorial tax payable:

Northwest Territories Credit (NT479)

Northwest Territories also offers the following credit:

For more information

If you have questions about the Northwest Territories political contribution tax credit or cost of living tax credit, contact:

Fiscal Policy Division
Department of Finance
Government of the Northwest Territories
Post Office Box 1320
Yellowknife NT X1A 2L9

Call: 867-767-9158 Ext. 15051 or 1-800-661-0820

Fax: 867-873-0128


If you have other questions about your income tax return, go to Taxes or call the CRA at 1-800-959-8281.

To get forms, go to Forms and publications.

Provincial and territorial government partners

Report a problem or mistake on this page
Please select all that apply:

Thank you for your help!

You will not receive a reply. For enquiries, contact us.

Date modified: