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Amharic - አማርኛ | Arabic - عربي
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PEOPLE GROUP PROFILE

The Loncong of Indonesia

The Loncong of Indonesia, numbering approximately 500 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people in the Melayu of Sumatra people cluster of the Malay Peoples affinity bloc. Their primary language is Sekak and their primary religion is Sunni Islam.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Melayu of Sumatra
Primary Language(s): Sekak (lce)
Primary Religion(s): Sunni Islam
Population: 500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG022513
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Pray for the Loncong 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.

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Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

98%
%
Sunni Islam Adherents

Dig Deeper (Language):

Primary Language: Sekak
Language Family: Austronesian

76%
%
Sekak Speakers

Media Resources in Sekak:

Films:

No entries found for: Sekak(lce). Help build some!

Provided by the Jesus Film Project

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Bible Resources in Sekak:

Provided by Faith Comes by Hearing

Or check out the Sekak bible at Bible.com

Linked from YouVersion

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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): Minimally Reached People Group, (LPI: 3), 2% to 3% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Loncong:
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 Loncong 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 Loncong:
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 Loncong 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 Loncong:
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 Loncong of Indonesia

For my own sake, for my own sake, I do it, for how should my name be profaned? My glory I will not give to another.
readIsaiah 48:11

Pray that those who have been living for their own glory will turn to the One who is worthy of all praise and find their true identity in Him.

Seek the LORD while he may be found; call upon him while he is near.
readIsaiah 55:6

Pray that the lost will seek the Lord while He may be found and call upon Him while He is near, for He is gracious and compassionate, slow to anger and abounding in steadfast love.

And when they had prayed, the place in which they were gathered together was shaken, and they were all filled with the Holy Spirit and continued to speak the word of God with boldness.
readActs 4:31

Pray that as people place their faith in Christ, they will be filled with the Holy Spirit and speak God's Word with boldness, sharing the love of Jesus with those around them.

Being then God's offspring, we ought not to think that the divine being is like gold or silver or stone, an image formed by the art and imagination of man.
readActs 17:29

Pray that God will send out laborers to tell people of the one true God and, as the good news is shared, bring about repentance and belief as they turn from idols and follow Jesus.

Lonchong Across Countries (ROP3 - 105847) 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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