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PEOPLE GROUP PROFILE

The Sinasina of Papua New Guinea

The Sinasina of Papua New Guinea, numbering approximately 176,000 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea; a dialect subgroup of Sinasina (sst). They are an Indigenous people in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary language is Sinasina and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Sinasina (sst)
Primary Religion(s): Protestantism
Population: 176,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG010458
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Pray for the Sinasina 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.

Pray Now!
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Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

41%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Sinasina
Language Family: Nuclear Trans New Guinea

65%
%
Sinasina Speakers

Media Resources in Sinasina:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Sinasina:

Provided by Faith Comes by Hearing

Or check out the Sinasina bible at Bible.com

Linked from YouVersion

View all resources

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): Marginally Reached People Group, (LPI: 4), 3% to 6% 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 Sinasina:
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 Sinasina 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 Sinasina:
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 Sinasina 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 Sinasina:
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 Sinasina of Papua New Guinea

"And you will know the truth, and the truth will set you free.”
readJohn 8:32

Pray for those who live enslaved to sin to hear and receive the truth of the gospel and be set free.

Ascribe to the LORD the glory due his name; bring an offering, and come into his courts!
readPsalm 96:8

Pray for people here to humbly give God the glory due His name.

You shall love the LORD your God with all your heart and with all your soul and with all your might.
readDeuteronomy 6:5

Pray that as people place their faith in Christ, they will love the Lord their God with all their heart, soul, and might, as they strive to live lives that honor and glorify Him.

To that end, keep alert with all perseverance, making supplication for all the saints, and also for me, that words may be given to me in opening my mouth boldly to proclaim the mystery of the gospel.
readEphesians 6:18b-19

Ask God to give believers He sends to the lost of this people group the boldness and clarity to proclaim the mystery of the gospel in a way that people can understand.

Sinasina Across Countries (ROP3 - 109025) 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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