The Mangga Buang of Papua New Guinea

The Mangga Buang of Papua New Guinea, numbering approximately 2,500 people, are No Longer Unreached. They are described as an indigenous ethnic group of Papua New Guinea They are an Indigenous people, with Buang as their ethnic/kinship group and are in the New Guinea people cluster of the Pacific Islander Peoples. Their primary religion is Protestantism. They primarily speak Buang, Mangga.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Buang, Mangga (mmo)
Primary Religion(s): Protestantism
Population: 2,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG010179
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Pray for the Mangga Buang 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

70%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Buang, Mangga
Language Family: Austronesian

65%
%
Buang, Mangga Speakers

Media Resources in Buang, Mangga:

Films:

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Bible Resources in Buang, Mangga:

Or check out the Buang, Mangga bible at Bible.com

Linked from YouVersion

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 Mangga Buang:
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 Mangga Buang 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 Mangga Buang:
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 Mangga Buang 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 Mangga Buang:
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 Mangga Buang of Papua New Guinea

In the same way, let your light shine before others, so that they may see your good works and give glory to your Father who is in heaven.
readMatthew 5:16

Pray that those who are deceived about what brings peace will not settle for any lies they’ve heard about God and will diligently seek Him and be satisfied when they learn the truth about who He is and what He’s done.

The mountains rose, the valleys sank down to the place that you appointed for them.
readPsalm 104:8

Pray that they will see the hand of God in the beauty and order of the natural world, and that they will worship Him as the Creator and Sustainer of all things.

And day by day, attending the temple together and breaking bread in their homes, they received their food with glad and generous hearts, praising God and having favor with all the people. And the Lord added to their number day by day those who were being saved.
readActs 2:46-47

Pray that as people place their faith in Christ, they will be devoted to the teaching of God's Word, to fellowship with one another, and to prayer.

"Whoever believes in me, as the Scripture has said, ‘Out of his heart will flow rivers of living water."
readJohn 7:38

Ask God to raise up believers and sustain them as they cross cultures to share hope with those who need it. Pray that many might come to know Christ and that streams of living water will flow from their hearts so they will never thirst again.

Buang, Mangga Across Countries (ROP3 - 106255) reported in the following countries:

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

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