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People group profile · PG022885

The Tonsea of Indonesia

The Tonsea of Indonesia, numbering about 147,000 people, are No Longer Unreached. They are a Minahasan sub-people of North Sulawesi tracing common descent from the ancestral figures Toar and Lumimuut, whose Dutch-era mass conversion helped make the Minahasa peninsula a Christian enclave in Muslim-majority Indonesia.

They are an indigenous people in the Minahasa-Sangir of Sulawesi people cluster of the Malay Peoples. Their primary religion is Protestantism, and they primarily speak Tonsea.

Pray for the TonseaPrint profile

AI-generated illustration representing the Tonsea people
AI-generated illustration, not a photograph. Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Tonsea

Fast facts

Country
Indonesia
Population
147,000
Affinity group
Asian Pacific Rim Peoples
People cluster
Minahasa-Sangir of Sulawesi
Primary language
Tonsea (txs)
Primary religion
Protestantism
Strategic Progress Index
No Longer Unreached
Evangelical
15% or Greater but Less than 20%
GSEC
10% or Greater Evangelical
Lostness priority
Moderately Reached People Group
Region
South-Eastern Asia, Asia
Location
North Sulawesi province: Minahasa Utara regency, Kota Bitung and Kota Manado cities

Where they live

Gospel status

The Tonsea are No Longer Unreached, which means 2% or more are evangelical Christians. In GSEC terms, this people group is greater than or equal to 10% evangelical.

  • Congregations exist Yes
  • Church planting in the last two years No Churches Planted

Next steps for the Tonsea

  • Pray for the churches among this group to grow in faithfulness and maturity
  • Equip believers to reach the unreached peoples around them
  • Send out laborers from this people to the nations

Primary religion

Protestantism · Christianity

Primary language

Tonsea · Austronesian family

76% speak Tonsea

Gospel resources in Tonsea

  • Bible available, published 2006
  • JESUS Film available
  • Radio programs not available
  • Gospel recordings not available
  • Audio resources available
  • Bible stories not available

Films

Bibles

Find more at the JESUS Film Project, Bible.com and Faith Comes by Hearing.

Pray for the Tonsea

  1. Romans 12:4–5. Pray that believers from many cultures will work together as one body so that the church is built up.
  2. Revelation 7:9. Pray for the day when people from this group stand before the throne with every nation, tribe, people and language.
  3. John 17:3. Pray that many will come to know the only true God, and Jesus Christ whom he has sent.
  4. Psalm 27:1. Pray that new believers will be strengthened in the face of persecution, with the Lord as their stronghold.

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