The Mayo of Papua New Guinea

The Mayo of Papua New Guinea, numbering approximately 4,400 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea, Sepik, Tama. They are an Indigenous people, in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary religion is Christianity - Protestantism. They primarily speak Yessan-Mayo.

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

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Yessan-Mayo (yss)
Primary Religion(s): Christianity - Protestantism
Population: 4,400
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG010199
View on Joshua Project

Pray for the Mayo 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: Christianity - Protestantism
Religious Affiliation: Christianity

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Dig Deeper (Language):

Primary Language: Yessan-Mayo
Language Family: Sepik

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Media Resources in Yessan-Mayo:

Films:

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Bible Resources in Yessan-Mayo:

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Or check out the Yessan-Mayo bible resources at Bible.com

Linked from YouVersion

Next steps for the Mayo

The Mayo are Unengaged and Unreached, 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.

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

Next steps for the Mayo

The Mayo 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.

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

Next steps for the Mayo

The Mayo 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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Mayo of Papua New Guinea

For by him all things were created, in heaven and on earth, visible and invisible, whether thrones or dominions or?rulers?or authorities—all things were created through him and for him.
readColossians 1:16

Pray for those who are lost among them, that they will come to know the One who created all things and holds all things together.

So then it depends not on human will or exertion, but on God, who has mercy.
readRomans 9:16

Pray that the merciful God who is at work in people's hearts will advance His gospel among them.

Create in me a clean heart, O God, and renew a right spirit within me.
readPsalm 51:10

Pray that as people place their faith in Christ, they will quickly repent when they sin and walk with clean hearts and right spirits as they grow in their relationship with the Lord.

For as we share abundantly in Christ’s sufferings, so through Christ we share abundantly in comfort too.
read2 Corinthians 1:5

When any who might believe suffer for the sake of the gospel, ask God to deepen their understanding of His grace so that they may share it freely with those who have not received it.

Mayo-Yessan (ROP3 - 114878) reported in the following countries:

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

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