"Census 2012". National Bureau of Statistics. Archived from the original on 5 March 2016. Retrieved 9 December 2015.
policeforce.go.tz
Article 2.2 provides: For the purpose of the efficient discharge of the functions of the Government of the United Republic or of the Revolutionary Government of Zanzibar, the President may, in accordance with the procedures prescribed by law or provisions of such law as may be enacted by Parliament, divide the United Republic into regions, districts and other areas: Provided that the President shall first consult with the President of Zanzibar before dividing Tanzania Zanzibar into regions, districts or other areas."Constitution of the United Republic of Tanzania, 1977 (Cap. 2), as amended"(PDF). Tanzanian Police Force. Archived from the original(PDF) on 22 December 2009.
web.archive.org
Article 2.2 provides: For the purpose of the efficient discharge of the functions of the Government of the United Republic or of the Revolutionary Government of Zanzibar, the President may, in accordance with the procedures prescribed by law or provisions of such law as may be enacted by Parliament, divide the United Republic into regions, districts and other areas: Provided that the President shall first consult with the President of Zanzibar before dividing Tanzania Zanzibar into regions, districts or other areas."Constitution of the United Republic of Tanzania, 1977 (Cap. 2), as amended"(PDF). Tanzanian Police Force. Archived from the original(PDF) on 22 December 2009.
"Census 2012". National Bureau of Statistics. Archived from the original on 5 March 2016. Retrieved 9 December 2015.