The Aikwakai of Indonesia

The Aikwakai of Indonesia, numbering approximately 2,100 people, are No Longer Unreached. They are an indigenous Papuan people of the Mamberamo River region whose communities are centered near the confluence of the Tariku and Taritatu rivers and are identified with the Sikaritai language and related New Guinea peoples. They mostly adhere to Protestantism and Sikaritai is their primary language.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Indonesia
People Cluster: New Guinea
Primary Language(s): Sikaritai (tty)
Primary Religion(s): Protestantism
Population: 2,100
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022439
View on Joshua Project

Pray for the Aikwakai 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

—
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Sikaritai
Language Family: Lakes Plain

100%
%
Sikaritai Speakers

Media Resources in Sikaritai:

Films:

No film resources are listed for this language.

Bible Resources in Sikaritai:

No Bible resources are listed for this language.

Or check out the Sikaritai bible at Bible.com

Linked from YouVersion

SPI: No longer Unreached

The Aikwakai 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 Aikwakai:
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 Aikwakai of Indonesia

Only in the LORD, it shall be said of me, are righteousness and strength; to him shall come and be ashamed all who were incensed against him.
readIsaiah 45:24

Pray that those who are weary and burdened by their own righteousness will find rest in the righteousness that comes through faith in Christ alone.

Sing to the LORD, bless his name; tell of his salvation from day to day.
readPsalm 96:2

Pray that gospel resources will reach this generation so that they will receive the good news and sing to the LORD, bless His name, and tell of His salvation each day.

For though I am free from all, I have made myself a servant to all, that I might win more of them.
read1 Corinthians 9:19

Pray that as people place their faith in Christ, they will have hearts that want to serve the lost around them so that many might come to faith in Jesus.

Blessed be the God and Father of our Lord Jesus Christ, the Father of mercies and God of all comfort, who comforts us in all our affliction, so that we may be able to comfort those who are in any affliction, with the comfort with which we ourselves are comforted by God.
read2 Corinthians 1:3-4

Pray that as people hear and believe the gospel, they will serve others in Jesus' name, and the lost will have an opportunity to hear and respond to the gospel.

Aikwakai Across Countries (ROP3 - 100148) reported in the following countries:

Strategic Progress Index
All

1 people group

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 Data Standards section.

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