NWT Population Estimates (January 1, 2020) Current Resource NWT Population Estimates (January 1, 2020) On January 1, 2020 Statistics Canada estimated that 44,904 people were living in the Northwest Territories. Between January 1, 2019 and January 1, 2020, the population in the Northwest Territories decreased by 143 persons. PDF • 190.84KB • Issued March 19, 2020