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Amharic - አማርኛ | Arabic - عربي
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Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
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Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
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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

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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% or Greater but Less than 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

These have indeed an appearance of wisdom in promoting self- made religion and asceticism and severity to the body, but they are of no value in stopping the indulgence of the flesh.
readColossians 2:23

Pray for those without Christ, that they will see the emptiness of human traditions and turn to the truth and grace found in Jesus.

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.

He himself bore our sins in his body on the tree, that we might die to sin and live to righteousness. By his wounds you have been healed.
read1 Peter 2:24

Pray that as people place their faith in Christ, they will remember every day that Jesus' death on the cross brings real healing and restoration to their souls and joyfully share this good news with others.

The next day again John was standing with two of his disciples, and he looked at Jesus as he walked by and said, “Behold, the Lamb of God!”
readJohn 1:35-36

Pray for those God sends to cross cultures to share the gospel, that they might faithfully share the good news of the Lamb of God who takes away the sin of the world.

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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