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Amharic - አማርኛ | Arabic - عربي
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PEOPLE GROUP PROFILE

The Tati of Papua New Guinea

The Tati of Papua New Guinea, numbering approximately 1,100 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 Kaki Ae and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Kaki Ae (tbd)
Primary Religion(s): Protestantism
Population: 1,100
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG010509
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Pray for the Tati 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.

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Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

35%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Kaki Ae
Language Family:

100%
%
Kaki Ae Speakers

Media Resources in Kaki Ae:

Films:

No entries found for: Kaki Ae(tbd). Help build some!

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Bible Resources in Kaki Ae:

Provided by Faith Comes by Hearing

Or check out the Kaki Ae 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): Significantly Reached People Group, (LPI: 6), > 20% Evangelical.
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical (GSEC: 6), this people group is greater than or equal to 10% evangelical

Next steps for the Tati:
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 Tati 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 Tati:
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 Tati 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 Tati:
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 Tati of Papua New Guinea

For at one time you were darkness, but now you are light in the Lord. Walk as children of light.
readEphesians 5:8

Pray that those who are lost will turn from the darkness they are walking in and embrace the light, becoming children of light who bear fruit in every good work.

Jesus said to them, "I am the bread of life; whoever comes to me shall not hunger, and whoever believes in me shall never thirst."
readJohn 6:35

Pray that the lost will come to Jesus and believe in Him, never to hunger or thirst again.

No unbelief made him waver concerning the promise of God, but he grew strong in his faith as he gave glory to God.
readRomans 4:20

Pray that as people place their faith in Christ, they will not waver but will grow strong in their belief, knowing that the Lord rewards those who seek Him.

This is the message we have heard from him and proclaim to you, that God is light, and in him is no darkness at all.
read1 John 1:5

Pray that God will raise up believers who can share the gospel with people who don't know the good news of Jesus, that God is light and in him, there is no darkness at all.

Tati Across Countries (ROP3 - 109875) 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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