The Sinsauru of Papua New Guinea

The Sinsauru of Papua New Guinea, numbering approximately 1,100 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They mostly adhere to Protestantism and Kou is their primary language.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Kou (snz)
Primary Religion(s): Protestantism
Population: 1,100
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG010461
View on Joshua Project

Pray for the Sinsauru of Papua New Guinea

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

43%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Kou
Language Family: Nuclear Trans New Guinea

65%
%
Kou Speakers

Media Resources in Kou:

Films:

No film resources are listed for this language.

Bible Resources in Kou:

No Bible resources are listed for this language.

Or check out the Kou bible at Bible.com

Linked from YouVersion

SPI: No longer Unreached

The Sinsauru 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 Sinsauru:
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 Sinsauru of Papua New Guinea

Just so, I tell you, there will be more joy in heaven over one sinner who repents than over ninety-nine righteous persons who need no repentance.
readLuke 15:7

Pray that God will convict the lost of their sin, give them an urgency to run to Him for forgiveness, and feel His welcoming arms around them when they turn to Him.

The Lord is not slow to fulfill his promise as some count slowness, but is patient toward you, not wishing that any should perish, but that all should reach repentance.
read2 Peter 3:9

Pray that the lost will not perish but come to repentance and that God's patience and long-suffering will lead them to salvation.

But my righteous one shall live by faith, and if he shrinks back, my soul has no pleasure in him.
readHebrews 10:38

Pray that as people trust in Christ, they will live by faith and not shrink back from their hope in Christ.

But seek the welfare of the city where I have sent you into exile, and pray to the LORD on its behalf, for in its welfare you will find your welfare.
readJeremiah 29:7

Pray that God will lead the lost among them to followers of Jesus who will share the gospel with them so that they may believe and take the message of hope to their families and friends.

Sinsauru Across Countries (ROP3 - 109314) 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.

Scroll to Top