The Sumariup of Papua New Guinea

The Sumariup of Papua New Guinea, numbering approximately 225 people, are No Longer Unreached. They are described as an indigenous ethnic group of Papua New Guinea They are an Indigenous people, with Sumariup 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 Alamblak.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Alamblak (amp)
Primary Religion(s): Protestantism
Population: 225
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG010492
View on Joshua Project

Pray for the Sumariup 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

59%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Alamblak
Language Family: Sepik

100%
%
Alamblak Speakers

Media Resources in Alamblak:

Films:

No entries found for: Alamblak(amp). Help build some!

Bible Resources in Alamblak:

Or check out the Alamblak 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): 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 Sumariup:
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 Sumariup 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 Sumariup:
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 Sumariup 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 Sumariup:
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 Sumariup of Papua New Guinea

I love those who love me, and those who seek me diligently find me.
readProverbs 8:17

As many search for hope, pray they will discover materials that will lead them to Jesus and explain the gospel in a way they will resonate with.

Behold, I am doing a new thing; now it springs forth, do you not perceive it? I will make a way in the wilderness and rivers in the desert.
readIsaiah 43:19

Pray that the lost will see the new thing God can do in their lives and trust in His plan and purpose for them.

And after she was baptized, and her household as well, she urged us, saying, “If you have judged me to be faithful to the Lord, come to my house and stay.” And she prevailed upon us.
readActs 16:15

Pray that God will bring entire families and households to faith in Him and raise up servant-leaders from among them.

"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.

Sumariup Across Countries (ROP3 - 109599) 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