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People group profile · PG022486

The Batak Toba of Indonesia

The Batak Toba of Indonesia, numbering about 3,255,000 people, are No Longer Unreached. They are an Austronesian people of North Sumatra's Lake Toba and Samosir Island whose legendary ancestors descended at the sacred mountain Pusuk Buhit, ruled by twelve priest-kings of the Sisingamangaraja dynasty, remaining outside colonial reach until 1890.

They are an indigenous people in the Batak-Nias of Sumatra people cluster of the Malay Peoples. Their primary religion is Protestantism, and they primarily speak Batak Toba.

Pray for the Batak TobaPrint profile

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

Fast facts

Country
Indonesia
Population
3,255,000
Affinity group
Asian Pacific Rim Peoples
People cluster
Batak-Nias of Sumatra
Primary language
Batak Toba (bbc)
Primary religion
Protestantism
Strategic Progress Index
No Longer Unreached
Evangelical
5% or Greater but Less than 10%
GSEC
5% or Greater but Less than 10% Evangelical
Lostness priority
Marginally Reached People Group
Region
South-Eastern Asia, Asia
Location
North Sumatra province: Asahan, Humbang Hasundutan, Labuhan Batu Utara, Samosir, Simalungan, south Tapanuli Tengah, Tapanuli Utara, and Toba Samosir regencies; Samosir island; east, south, and west of Lake Toba

Where they live

Gospel status

The Batak Toba are No Longer Unreached, which means 2% or more are evangelical Christians. In GSEC terms, this people group is greater than or equal to 5% evangelical.

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

Next steps for the Batak Toba

  • 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

Batak Toba · Austronesian family

76% speak Batak Toba

Gospel resources in Batak Toba

  • Bible available, published 2002
  • JESUS Film available
  • Radio programs not available
  • Gospel recordings 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 Batak Toba

  1. 2 Timothy 2:2. Pray for faithful local leaders who will teach others, so that the church multiplies.
  2. Ephesians 5:8. Pray that those walking in darkness will turn to the light and live as children of light.
  3. Romans 10:14–15. Ask God to send messengers, so that people can hear, believe and call on the name of the Lord.
  4. Matthew 9:37–38. Ask the Lord of the harvest to send out laborers into his harvest field.

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