The Leti of Indonesia

The Leti of Indonesia, numbering approximately 10,500 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people in the Maluku-Southern people cluster of the Malay Peoples affinity bloc. Their primary language is Leti (Indonesia) and their primary religion is Protestantism.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Leti

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Maluku-Southern
Primary Language(s): Leti (Indonesia) (lti)
Primary Religion(s): Protestantism
Population: 10,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022679
View on Joshua Project

Pray for the Leti of Indonesia

Join others around the world in praying for the lost to be saved, the gospel to advance, the global Church to grow, and for laborers to be sent out and sustained in the harvest.

Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

%

Dig Deeper (Language):

Primary Language: Leti (Indonesia)
Language Family: Austronesian

75%
%

Media Resources in Leti (Indonesia):

Films:

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Bible Resources in Leti (Indonesia):

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Or check out the Leti (Indonesia) bible at Bible.com

Linked from YouVersion

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 2), which means there are less than 2% evangelical Christian populations among which there are no known efforts focused on establishing self-sustaining churches consistent with evangelical faith and practice.
Lostness Priority Index (LPI): Moderately Reached People Group, (LPI: 5), 6% to 20% Evangelical.
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical (GSEC: 6), this people group is greater than or equal to 10% evangelical

Next steps for the Leti:
Begin signifcant prayer and fasting for this group
Send cross-cultural teams to discover and research this people group
Begin gospel seed sowing and church planting among this group

SPI: Unreached yet Engaged

The Leti are Engaged yet Unreached, which means there are less than 2% evangelical Christian populations but there are sustained efforts at establishing self-sustaining churches consistent with evangelical faith and practice.

Next steps for the Leti:
Continue prayer and fasting for this group
Continue gospel seed sowing and church planting among this group
Begin training up local leaders to lead and develop strategies to reach their own people

SPI: No longer Unreached

The Leti are No Longer Unreached, which means there are more than 2% evangelical Christian populations and there are churches consistent with evangelical faith and practice. There is still more to be done among them.

Next steps for the Leti:
Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Leti of Indonesia

I will put enmity between you and the woman, and between your offspring and her offspring; he shall bruise your head, and you shall bruise his heel.
readGenesis 3:15

Pray that those without Christ will hear the words of Genesis 1-3 in their own language, and desire to know their Creator and His provision of salvation.

Declare his glory among the nations, his marvelous works among all the peoples!
readPsalm 96:3

Pray for people to hear and believe the good news of Jesus and joyfully share it with their family and friends.

And how are they to preach unless they are sent? As it is written, “How beautiful are the feet of those who preach the good news!”
readRomans 10:15

Pray that as people place their faith in Christ, they will be eager to proclaim the good news of peace, knowing that the Lord has called them to this task.

There is nothing outside a person that by going into him can defile him, but the things that come out of a person are what defile him.
readMark 7:15

Pray for Christians to take any opportunity to share the hope of Jesus with lost people here, praying they will be wise like Jesus as they share the truth about what can defile people and what can make them clean.

Leti Across Countries (ROP3 - 105733) reported in the following countries:

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

Peoplegroups.org relies on updates from the field and other organizations for much of our data, so if you have any updates, please contact us. We use various international naming standards. For a list of these standards and fields, visit our Definitions page.

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