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PEOPLE GROUP PROFILE

The Nii of Papua New Guinea

The Nii of Papua New Guinea, numbering approximately 33,500 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They are an Indigenous people in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary language is Nii and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Nii (nii)
Primary Religion(s): Protestantism
Population: 33,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG010304
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Pray for the Nii 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

60%
%

Dig Deeper (Language):

Primary Language: Nii
Language Family: Nuclear Trans New Guinea

100%
%

Media Resources in Nii:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Nii:

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Provided by Faith Comes by Hearing

Or check out the Nii bible at Bible.com

Linked from YouVersion

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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 Nii:
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 Nii 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 Nii:
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 Nii 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 Nii:
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 Nii of Papua New Guinea

But with you there is forgiveness, that you may be feared.
readPsalm 130:4

Pray that God will bring those who have hard hearts to repentance and trust in Christ for the forgiveness of their sins.

All the ends of the earth shall remember and turn to the LORD, and all the families of the nations shall worship before you. For kingship belongs to the LORD, and he rules over the nations.
readPsalm 22:27-28

Pray that entire families will turn to the Lord in repentance and faith, and that they will worship Him and declare His righteousness to the nations.

Remember your mercy, O LORD, and your steadfast love, for they have been from of old.
readPsalm 25:6

Pray that as people place their faith in Christ, they will remember the merciful nature and steadfast love of God as they walk with Him daily.

And Jesus answered him, “Blessed are you, Simon Bar-Jonah! For flesh and blood has not revealed this to you, but my Father who is in heaven."
readMatthew 16:17

Pray that God who is in heaven will place believers in the lives of people who need to encounter the gospel and that He will reveal to them the truth of what they hear.

Nii Across Countries (ROP3 - 107320) 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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