The Mari of Papua New Guinea

The Mari of Papua New Guinea, numbering approximately 1,800 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea, Madang province: upper Ramu River. They are an Indigenous people in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary language is Mari (PNG, Madang Province) and their primary religion is Animism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Mari (PNG, Madang Province) (hob)
Primary Religion(s): Animism
Population: 1,800
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG010185
View on Joshua Project

Pray for the Mari 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: Animism
Religious Affiliation: Ethnoreligion

95%
%

Dig Deeper (Language):

Primary Language: Mari (PNG, Madang Province)
Language Family: Austronesian

100%
%

Media Resources in Mari (PNG, Madang Province):

Films:

No language code (ROL) found for this post.

Bible Resources in Mari (PNG, Madang Province):

The filter value is not set for this post.

Or check out the Mari (PNG, Madang Province) 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): Moderately Reached People Group, (LPI: 5), 6% to 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 Mari:
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 Mari 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 Mari:
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 Mari 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 Mari:
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 Mari of Papua New Guinea

Let the peoples praise you, O God; let all the peoples praise you!
readPsalm 67:3

Pray that those who are lost and unaware of God's blessings will come to know Him as the one true God, put their trust in Him, and join in praising Him among the nations.

First of all, then, I urge that supplications, prayers, intercessions, and thanksgivings be made for all people, for kings and all who are in high positions, that we may lead a peaceful and quiet life, godly and dignified in every way.
read1 Timothy 2:1-2

Pray that leaders and those in authority will not thwart the spread of the gospel but put their faith in Christ, have hearts that are soft toward their people, and be freed from the temptations that power can bring.

For the LORD takes pleasure in his people; he adorns the humble with salvation.
readPsalm 149:4

Pray that as people place their faith in Christ, they will be encouraged and feel immeasurably loved as they meditate on the fact that God takes pleasure in them.

The true light, which gives light to everyone, was coming into the world. He was in the world, and the world was made through him, yet the world did not know him.
readJohn 1:9-10

Pray for those God might send to share the gospel here. Ask that they will grow closer to Jesus and be compelled to share His good news with people who don't know it.

Mari Across Countries (ROP3 - 106329) 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.

Scroll to Top