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
View on Joshua Project

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.

Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

41%
%

Dig Deeper (Language):

Primary Language: Sinasina
Language Family: Nuclear Trans New Guinea

65%
%

Media Resources in Sinasina:

Films:

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Bible Resources in Sinasina:

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Or check out the Sinasina bible at Bible.com

Linked from YouVersion

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% or Greater but Less than 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 some fell into good soil and grew and yielded a hundredfold." As he said these things, he called out, "He who has ears to hear, let him hear."
readLuke 8:8

Pray that the seeds of truth will take root in the hearts of those who are far from Jesus and that He will lead them from darkness to light.

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.

Seek the LORD and his strength; seek his presence continually!
readPsalm 105:4

Pray that as people place their faith in Christ and may feel weak in their current circumstances, they will seek the Lord's presence and persevere in the Lord's strength.

For great is the Lord, and greatly to be praised; he is to be feared above all gods.
readPsalm 96:4

Pray that God will raise up believers to declare His glory among the lost, so that they may know that He is great and greatly to be praised, that He is exalted above all gods.

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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