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PEOPLE GROUP PROFILE

The Katiati of Papua New Guinea

The Katiati of Papua New Guinea, numbering approximately 11,500 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 Mum and their primary religion is Roman Catholicism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Mum (kqa)
Primary Religion(s): Roman Catholicism
Population: 11,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG020738
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Pray for the Katiati 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: Roman Catholicism
Religious Affiliation: Christianity

82%
%
Roman Catholicism Adherents

Dig Deeper (Language):

Primary Language: Mum
Language Family: Nuclear Trans New Guinea

65%
%
Mum Speakers

Media Resources in Mum:

Films:

No entries found for: Mum(kqa). Help build some!

Provided by the Jesus Film Project

View all resources

Bible Resources in Mum:

Provided by Faith Comes by Hearing

Or check out the Mum 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): 5% or Greater but Less than 10% Evangelical (GSEC: 5), this people group is greater than or equal to 5% evangelical

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

All we like sheep have gone astray; we have turned—every one—to his own way; and the LORD has laid on him the iniquity of us all.
readIsaiah 53:6

Pray that those who have wandered far from God will be drawn back to Him, recognizing their need for a Savior and finding forgiveness and new life in Christ.

No, I tell you; but unless you repent, you will all likewise perish.
readLuke 13:3

Pray that the lost will repent and believe the gospel, for without it, they will perish.

And God is able to make all grace abound to you, so that having all sufficiency in all things at all times, you may abound in every good work.
read2 Corinthians 9:8

Pray that as people place their faith in Christ, they will trust God in all things, especially in times of persecution.

For I delivered to you as of first importance what I also received: that Christ died for our sins in accordance with the Scriptures, that he was buried, that he was raised on the third day in accordance with the Scriptures.
read1 Corinthians 15:3-4

Pray that God will raise up believers to go to the lost and faithfully proclaim the good news of Jesus' death and resurrection so that all may have an opportunity to access and believe.

Katiati Across Countries (ROP3 - 104735) 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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