Country: Tanzania

Number of People Groups

158

People Groups Unreached

29

Total Population

52,250,000

Unreached Population

10,155,000

% Professing Christian

45.6%

% Evangelical

9.8 %

Largest Religion

Official Language

10/40 Window

Click column headings for sorting ▲▼
Photo People Group Population Progress
Scale
Primary Language Primary Religion % Professing
Christian
%
Evangelical
Indigenous
Alagwa 45,000 Alagwa Islam 1.0 % 0.8 %
 Arab 385,000 Swahili Islam 5.0 % 0.6 %
Assa 500 Aasax E Ethnic Religions 5.0 % 0.3 %
 Bemba, Wemba 63,000 Bemba Christianity 95.0 % 14.0 %
Bembe 800 Bembe Christianity 85.0 % 17.0 %
Bena 989,000 Bena Christianity 96.0 % 17.0 %
Bende 42,000 Bende Christianity 95.0 % 13.0 %
Bondei 78,000 Bondei Islam 32.0 % 10.0 %
 British 7,400 English Christianity 60.0 % 8.0 %
Burungi 19,000 Burunge E Ethnic Religions 15.0 % 4.0 %
 Chagga, Mochi 916,000 Mochi Christianity 93.0 % 15.0 %
 Coloured 11,000 English Christianity 75.0 % 10.0 %
Comorian, Maore 14,000 Comorian, Maore Islam 0.0 % 0.0 %
Dabida Taita 22,000 Dawida Christianity 68.0 % 11.0 %
 Datooga, Barabaig 135,000 Datooga E Ethnic Religions 6.0 % 4.0 %
 Deaf Unknown Tanzanian Sign Language Christianity 54.0 % 0.4 %
Dhaiso 7,700 Dhaiso Islam 1.0 % 0.5 %
 Digo 194,000 Chidigo Islam 0.0 % 0.0 %
 Doe 53,000 Doe Islam 20.0 % 4.0 %
Fipa, Fiba 284,000 Fipa Christianity 95.0 % 15.0 %
 French 2,200 French Christianity 61.0 % 1.0 %
 Ganda, Luganda 55,000 Ganda Christianity 80.0 % 13.0 %
 German 11,000 German, Standard Christianity 64.0 % 2.1 %
Gogo 1,920,000 Gogo Christianity 79.0 % 19.0 %
Goroa, Fiome 79,000 Gorowa Christianity 65.0 % 10.0 %
 Greek 27,000 Greek Christianity 91.0 % 0.4 %
 Gujarati 394,000 Gujarati Hinduism 0.5 % 0.1 %
 Gujarati Creole 67,000 Cutchi-Swahili Hinduism 2.0 % 0.1 %
Gweno 3,000 Gweno Christianity 95.0 % 13.0 %
Ha 1,509,000 Ha E Ethnic Religions 37.0 % 8.0 %
 Hadza 800 Hadza E Ethnic Religions 30.0 % 2.0 %
 Han Chinese, Mandarin 81,000 Chinese, Mandarin Non-Religious 7.0 % 4.0 %
Hangaza 330,000 Hangaza Christianity 90.0 % 14.0 %
Haya, Ziba 1,733,000 Haya Christianity 81.0 % 21.0 %
 Hehe 1,073,000 Hehe Christianity 96.0 % 20.0 %
Hima 11,000 Nyankore Christianity 94.0 % 12.0 %
 Hindi 54,000 Hindi Hinduism 0.4 % 0.1 %
Hutu, Rundi 512,000 Rundi Christianity 97.0 % 20.0 %
 Hutu, Rwandese 210,000 Rwanda Christianity 95.0 % 17.0 %
Ikizu 75,000 Ikizu E Ethnic Religions 35.0 % 4.0 %
Ikoma, Nata 48,000 Ikoma-Nata-Isenye Christianity 95.0 % 15.0 %
Iramba, Nyilamba 607,000 Nilamba Christianity 55.0 % 11.0 %
 Iraqw, Mbulu 691,000 Iraqw E Ethnic Religions 41.0 % 12.0 %
Isanzu 71,000 Isanzu E Ethnic Religions 25.0 % 10.0 %
Jew, Swahili Speaking 400 Swahili E Ethnic Religions 0.0 % 0.0 %
Jita 278,000 Jita E Ethnic Religions 45.0 % 8.0 %
Kabwa 16,000 Kabwa E Ethnic Religions 10.0 % 1.0 %
 Kachchi, Asian 54,000 Kachchi Hinduism 1.0 % 0.1 %
 Kagulu, Northern Sagara 314,000 Kagulu Christianity 60.0 % 12.0 %
Kahe 6,000 Kahe Christianity 94.0 % 12.0 %
 Kalanga 13,000 Kalanga Christianity 95.0 % 14.0 %
 Kamba 113,000 Kamba Christianity 70.0 % 15.0 %
Kami 25,000 Kami Islam 5.0 % 0.7 %
Kara, Regi 189,000 Kara E Ethnic Religions 25.0 % 6.0 %
Kerewe, Kerebe 220,000 Kerewe Christianity 95.0 % 14.0 %
 Kikuyu 38,000 Gikuyu Christianity 88.0 % 15.0 %
Kimbu, Yanzi 172,000 Kimbu Christianity 75.0 % 13.0 %
Kinga 199,000 Kinga Christianity 85.0 % 14.0 %
Kisankasa 10,000 Kisankasa E Ethnic Religions 3.0 % 1.0 %
Kisi 27,000 Kisi E Ethnic Religions 45.0 % 10.0 %
Konongo 112,000 Konongo Christianity 71.0 % 13.0 %
 Kuria 576,000 Kuria Christianity 76.0 % 15.0 %
Kutu 99,000 Kutu Islam 3.0 % 2.0 %
Kwaya 155,000 Kwaya E Ethnic Religions 45.0 % 9.0 %
 Kwere 221,000 Kwere Islam 22.0 % 8.0 %
 Lambya, Rambia 88,000 Lambya Christianity 97.0 % 13.0 %
Luguru, Ruguru 1,035,000 Luguru Christianity 61.0 % 14.0 %
 Luo 184,000 Dholuo Christianity 96.0 % 15.0 %
 Maasai 311,000 Maasai E Ethnic Religions 35.0 % 10.0 %
 Maasai, Arusha 226,000 Maasai E Ethnic Religions 35.0 % 6.0 %
 Maasai, Baraguyu 69,000 Maasai E Ethnic Religions 25.0 % 7.0 %
Machambe 559,000 Machame Christianity 95.0 % 18.0 %
 Machinga 79,000 Machinga Islam 13.0 % 2.0 %
Magoma 13,000 Magoma Christianity 60.0 % 4.0 %
 Makonde, Matambwe 1,307,000 Makonde Islam 9.0 % 0.5 %
 Makua, Makhuwa-Meetto 513,000 Makhuwa-Meetto Islam 8.0 % 4.0 %
 Makwe 14,000 Makwe Islam 2.0 % 0.5 %
Malila, Malilia 92,000 Malila E Ethnic Religions 15.0 % 4.0 %
 Mambwe-Lungu 438,000 Mambwe-Lungu E Ethnic Religions 43.0 % 14.0 %
Manda, Nyasa 32,000 Manda Christianity 90.0 % 11.0 %
Matengo 330,000 Matengo Christianity 80.0 % 14.0 %
 Matumbi 213,000 Matumbi Islam 17.0 % 5.0 %
Mbugwe 37,000 Mbugwe Christianity 96.0 % 12.0 %
Mbunga 64,000 Mbunga E Ethnic Religions 20.0 % 5.0 %
Mediak 8,000 Mediak E Ethnic Religions 5.0 % 1.5 %
Meru, Rwo 198,000 Rwa Christianity 94.0 % 18.0 %
Mpoto, Nyasa 70,000 Mpoto Christianity 90.0 % 13.0 %
 Mwera, Mwela 692,000 Mwera Islam 31.0 % 9.0 %
 Mwera, Nyasa 8,400 Mwera Islam 25.0 % 6.0 %
Ndali 330,000 Ndali Christianity 85.0 % 14.0 %
 Ndamba 121,000 Ndamba Christianity 85.0 % 11.0 %
Ndendeule 151,000 Ndendeule E Ethnic Religions 20.0 % 8.0 %
 Ndengereko 166,000 Ndengereko Islam 2.0 % 0.7 %
Ndonde, Mawanda 20,000 Ndonde Hamba Islam 10.0 % 1.0 %
Ngindo 485,000 Ngindo Islam 22.0 % 3.0 %
Ngoni, Magwangara 374,000 Ngoni Christianity 90.0 % 17.0 %
Nguruimi 74,000 Ngoreme Christianity 85.0 % 15.0 %
Nguu, Nguru 291,000 Ngulu Islam 15.0 % 4.0 %
Nindi 100 Nindi E Ethnic Religions 30.0 % 3.0 %
 Nyakyusa, Ngonde 1,073,000 Nyakyusa-Ngonde Christianity 91.0 % 19.0 %
Nyambo, Ragwe 568,000 Nyambo E Ethnic Religions 45.0 % 12.0 %
 Nyamwanga 191,000 Nyamwanga Christianity 85.0 % 12.0 %
 Nyamwezi, Nyanyembe 1,307,000 Nyamwezi Islam 34.0 % 1.0 %
 Nyanja, Chewa 54,000 Chichewa Christianity 88.0 % 14.0 %
 Nyankore 16,000 Nyankore Christianity 87.0 % 14.0 %
Nyiha, Nyasa Nyika 673,000 Nyiha, Tanzania E Ethnic Religions 40.0 % 17.0 %
 Nyika, Tanzania 30,000 Nyika, Tanzania Islam 10.0 % 0.2 %
Ongamo, Ngasa 6,500 Ngasa E Ethnic Religions 5.0 % 1.5 %
Pangwa 137,000 Pangwa Christianity 85.0 % 14.0 %
 Pare, Asu 753,000 Asu Islam 40.0 % 12.0 %
Pimbwe 64,000 Pimbwe Christianity 80.0 % 11.0 %
Pogoro, Pogolo 407,000 Pogolo Christianity 83.0 % 13.0 %
 Portuguese 1,000 Portuguese Christianity 94.0 % 3.0 %
 Punjabi 54,000 Panjabi, Eastern O Other / Small 1.0 % 0.2 %
 Pygmy, Twa 5,900 Rwanda E Ethnic Religions 15.0 % 1.0 %
 Rangi, Irangi 539,000 Langi Islam 26.0 % 7.0 %
Rombo Unknown Rombo E Ethnic Religions 10.0 % 2.0 %
 Rufiji, Ruihi 441,000 Rufiji Islam 9.0 % 1.5 %
Rungwa, Runga 40,000 Rungwa Christianity 74.0 % 9.0 %
Safwa 348,000 Safwa E Ethnic Religions 29.0 % 6.0 %
Sagara 174,000 Sagala Christianity 60.0 % 11.0 %
 Sandawe, Sandwe 60,000 Sandawe E Ethnic Religions 15.0 % 5.0 %
Sangu, Sango 165,000 Sangu E Ethnic Religions 47.0 % 12.0 %
 Segeju 16,000 Segeju Islam 0.0 % 0.0 %
Shambala, Sambaa 980,000 Shambala Islam 45.0 % 14.0 %
Shirazi 776,000 Swahili Islam 0.0 % 0.0 %
 Soga 4,300 Soga Christianity 86.0 % 11.0 %
 Somali 54,000 Somali Islam 0.0 % 0.0 %
 Sonjo 43,000 Temi E Ethnic Religions 10.0 % 1.5 %
Suba-Simbiti 118,000 Suba-Simbiti Christianity 70.0 % 9.0 %
Subi Unknown Subi E Ethnic Religions 10.0 % 1.0 %
Subi, Sinja 337,000 Shubi Christianity 92.0 % 18.0 %
 Sukuma 7,283,000 Sukuma E Ethnic Religions 42.0 % 12.0 %
Sumbwa 420,000 Sumbwa E Ethnic Religions 32.0 % 5.0 %
 Swahili 6,136,000 Swahili Islam 0.1 % 0.0 %
 Swahili, Bajuni 19,000 Swahili Islam 0.0 % 0.0 %
 Swahili, Tumbato 67,000 Swahili Islam 0.0 % 0.0 %
 Swahili, Zanzibari 11,000 Swahili Islam 0.0 % 0.0 %
 Swahili-Pemba 2,300 Swahili Islam 0.3 % 0.0 %
Tatoga, Taturu-Gisamjang 11,000 Datooga E Ethnic Religions 25.0 % 4.0 %
 Taveta 5,400 Taveta Christianity 65.0 % 8.0 %
Tongwe 48,000 Tongwe Islam 20.0 % 1.1 %
Turu, Nyaturu 793,000 Nyaturu Christianity 82.0 % 16.0 %
Tutsi 269,000 Rwanda Christianity 95.0 % 18.0 %
Va-Ma'a, Mbugu 52,000 Mbugu Islam 10.0 % 3.5 %
Vidunda 70,000 Vidunda Christianity 60.0 % 8.0 %
Vinza 22,000 Vinza Islam 40.0 % 6.0 %
Vunjo 539,000 Vunjo Christianity 93.0 % 15.0 %
Wanda, Wandia 53,000 Wanda Christianity 70.0 % 8.0 %
Wanji 40,000 Vwanji E Ethnic Religions 35.0 % 12.0 %
Wungu, Bungu 79,000 Bungu Christianity 80.0 % 14.0 %
Yao, Christian 73,000 Yao Christianity 94.0 % 4.0 %
 Yao, Muslim 487,000 Yao Islam 2.0 % 1.2 %
Zanaki 136,000 Zanaki Christianity 80.0 % 19.0 %
 Zaramo, Zalamo 990,000 Zaramo Islam 3.0 % 0.7 %
 Zigwa, Zigula 639,000 Zigula Islam 9.0 % 3.0 %
 Zinza 304,000 Zinza Christianity 97.0 % 17.0 %
Zyoba 5,200 Joba Christianity 90.0 % 14.0 %
  Totals:  158 52,250,000 29     45.6 % 9.8 %  
  Unclassified / Other Individuals: 129,000  
  UN Country Population (2015) 52,379,000  

RELIGIONS Percent
Buddhism
0.0 %
Christianity  (Evangelical 9.8 %)
45.6 %
Ethnic Religions
15.4 %
Hinduism
1.0 %
Islam
37.3 %
Non-Religious
0.4 %
Other / Small Religions
0.4 %
Unknown
0.0 %

CHRISTIAN SEGMENTS Percent
Anglican
8.6 %
Independent
3.5 %
Orthodox
0.1 %
Other Christian
0.0 %
Protestant
32.7 %
Roman Catholic
55.0 %
Notes:

Major Religions: Religion percentages are derived from summing Joshua Project's data for all people groups who live in each country. The number of individuals who practice each religion, by people group, are summed. This number is divided by the country's total population to derive the religion's percentage.

Christianity Segments: Christian segment percentages are derived from summing Joshua Project's data for all the People Group who lives in each country. The number of individuals who practice each segment of Christianity, by People Group, are summed. This number is divided by the country's total population to derive the Christian segment's percentage.

Networking Possibilities

Search the Web
There are many agencies and churches looking for additional staff to help them in their mission and calling in Tanzania. Internet searches are probably the best way to find these organizations. The following are some example search topics you might try:

  • Church planting agencies in Tanzania
  • Christian ministry in Tanzania
  • Business as mission
  • Christian literature distribution
  • Evangelism agencies
  • Christian discipleship
  • Short term Christian missions
  • Long term Christian missions
  • Urban ministries
  • Christian media opportunities
  • Bible translation opportunities
  • Relief and development agencies
  • Clean water projects
  • Christian medical outreaches

Ministry Listing
Below is a partial list of ministries that may work in Tanzania or East and Southern Africa. The lists below do not include all ministries at work in this country or region. This data is from circa 2006-2008 and is not being maintained by Joshua Project. There are likely many excellent ministries not listed here. Inclusion here is not an endorsement by Joshua Project.
In East and Southern Africa Size
ABWE (Association of Baptists for World Evangelism) Large
Action International Ministries Medium
Advancing Renewal Ministries, Inc. Medium
Anglican Frontier Missions Small
Assemblies of God World Missions Large
Association of Free Lutheran Congregations, World Missions Medium
Awana Clubs, International Medium
Baptist Bible Fellowship, International Medium
Baptist International Missions, Inc. (BIMI) Medium
Baptist Mid-Missions Medium
BCM International Medium
Bible League Medium
Campus Crusade for Christ, International Large
Child Evangelism Fellowship Medium
Church of God of Prophecy Medium
Church of the Nazarene World Mission Department Medium
Church World Service Medium
Cooperative Baptist Fellowship Medium
EFCA International Mission Medium
EQUIP Foundation Small
Evangelical Covenant Church Medium
Every Home for Christ Medium
Final Frontiers Foundation Large
Friends in Action, International Small
Galcom International Small
Global Partners / Wesleyan World Missions Medium
Globe International Medium
GO International Small
Good News Productions Medium
Heart of God Ministries Medium
Hope for the Hungry Medium
InterComm Small
Josue Yrion World Evangelism and Missions Small
Mailbox Club International Small
Middle East Media Medium
Open Bible Churches Small
Overland Missions Small
Pentecostal Church of God World Missions Small
Scripture Union Medium
Seventh-day Adventists General Conference Medium
Silent Word Ministries Small
Southern Baptist Convention - International Mission Board Large
Talking Bibles International Small
Tentmakers International Small
United Methodist Church Medium
United Pentecostal Church Foreign Missions Medium
United World Mission Medium
Worldwide Tentmakers, Incorporated Small
Young Life Medium
Youth with a Mission Large


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