The Sisano of Papua New Guinea

The Sisano of Papua New Guinea, numbering approximately 14,500 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They are an Indigenous people in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary language is Essono and their primary religion is Roman Catholicism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Essono (sso)
Primary Religion(s): Roman Catholicism
Population: 14,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG010465
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Pray for the Sisano 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: Roman Catholicism
Religious Affiliation: Christianity

86%
%
Roman Catholicism Adherents

Dig Deeper (Language):

Primary Language: Essono
Language Family: Austronesian

65%
%
Essono Speakers

Media Resources in Essono:

Films:

No entries found for: Essono(sso). Help build some!

Bible Resources in Essono:

Or check out the Essono 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% or Greater but Less than 6% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Sisano:
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 Sisano 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 Sisano:
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 Sisano 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 Sisano:
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 Sisano of Papua New Guinea

But with you there is forgiveness, that you may be feared.
readPsalm 130:4

Pray that God will bring those who have hard hearts to repentance and trust in Christ for the forgiveness of their sins.

For there is one God, and there is one mediator between God and men, the man Christ Jesus, who gave himself as a ransom for all, which is the testimony given at the proper time.
read1 Timothy 2:5-6

Pray for the truth about Jesus Christ to spread among the lost so that many will accept His ransom for their sin and experience freedom in a relationship with Him.

Therefore, if anyone is in Christ, he is a new creation. The old has passed away; behold, the new has come.
read2 Corinthians 5:17

Pray that as people place their faith in Christ, they will understand and experience the truth that in Christ, they are a new creation, and the old has gone and the new has come.

To the Jews I became as a Jew, in order to win Jews. To those under the law I became as one under the law (though not being myself under the law) that I might win those under the law.
read1 Corinthians 9:20

Pray that believers from similar cultures will be compelled by Christ's love to reach people who don't know the gospel, and that those people will receive the good news with joy.

Sisano Across Countries (ROP3 - 109337) 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.

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