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

During those many days the king of Egypt died, and the people of Israel groaned because of their slavery and cried out for help. Their cry for rescue from slavery came up to God. And God heard their groaning, and God remembered his covenant with Abraham, with Isaac, and with Jacob.
readExodus 2:23-24

As the lost among them labor, groan, and cry out under false religions and sin, pray God will have mercy on them and hear their cries, that He will be their Rescuer from the kingdom of darkness and bring them into the kingdom of light.

And this commandment we have from him: whoever loves God must also love his brother.
read1 John 4:21

Pray that the good news of God's love will reach everyone in this people group, and that His love will compel them to love others as Christ has loved us.

But we are not of those who shrink back and are destroyed, but of those who have faith and preserve their souls.
readHebrews 10:39

Pray that as people place their faith in Christ, and faithfully follow God, they will share Christ boldly with those around them.

And the King will answer them, "Truly, I say to you, as you did it to one of the least of these my brothers, you did it to me."
readMatthew 25:40

Ask God to raise up and send believers who will serve "the least of these" with compassion and energy because they know that in serving those in need, they are serving Christ.

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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