The Mailu of Papua New Guinea

The Mailu of Papua New Guinea, numbering approximately 22,000 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They mostly adhere to Protestantism and Mailu is their primary language.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Mailu (mgu)
Primary Religion(s): Protestantism
Population: 22,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG010155
View on Joshua Project

Pray for the Mailu 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

40%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Mailu
Language Family: Mailuan

100%
%
Magi Speakers

Media Resources in Mailu:

Films:
TitleLink
JESUSView Film

1 film

Bible Resources in Mailu:

No Bible resources are listed for this language.

Or check out the Mailu bible at Bible.com

Linked from YouVersion

SPI: No longer Unreached

The Mailu 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 Mailu:
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 Mailu of Papua New Guinea

And this is the judgment: the light has come into the world, and people loved the darkness rather than the light because their works were evil.
readJohn 3:19

Pray that God will have mercy on those who love the darkness they are walking in and turn from their sin to faith in Christ.

And when the Gentiles heard this, they began rejoicing and glorifying the word of the Lord, and as many as were appointed to eternal life believed. And the word of the Lord was spreading throughout the whole region.
readActs 13:48-49

Pray that the gospel will spread throughout this whole region and that many will believe and embrace the gift of eternal life through faith in Jesus Christ.

Have this mind among yourselves, which is yours in Christ Jesus, who, though he was in the form of God, did not count equality with God a thing to be grasped, but emptied himself, by taking the form of a servant, being born in the likeness of men.
readPhilippians 2:5-7

Pray that as people place their faith in Christ, they will imitate His humility in all they do.

He came as a witness, to bear witness about the light, that all might believe through him.
readJohn 1:7

Pray that God will raise up witnesses to testify about Jesus so that all might believe, knowing that He is light and in Him there is no darkness at all.

Mailu Across Countries (ROP3 - 106061) reported in the following countries:

Strategic Progress Index
All

1 people group

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

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