The Guamanians of United States

The Guamanians of United States, numbering approximately 59,000 people, are No Longer Unreached. They are described as a people Indigenous to Guam, the largest and southernmost island of the Marianas, an island territory of the United States located in the western Pacific Ocean They are an Diaspora people, with Guamanian as their ethnic/kinship group and are in the Micronesian people cluster of the Pacific Islander Peoples. Their primary religion is Roman Catholicism. They primarily speak English.

Photo by Google. (2026). Image generated by Gemini 3.1 Flash: Guamanian

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: United States
People Cluster: Micronesian
Primary Language(s): English (eng)
Primary Religion(s): Roman Catholicism
Population: 59,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG043254
View on Joshua Project

Pray for the Guamanians of United States

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

83%
%
Roman Catholicism Adherents

Dig Deeper (Language):

Primary Language: English
Language Family:

100%
%
English Speakers

Bible Resources in English:

Or check out the English 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): 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 Guamanians:
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 Guamanians 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 Guamanians:
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 Guamanians 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 Guamanians:
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 Guamanians of United States

And he said to them, "This is my blood of the covenant, which is poured out for many."
readMark 14:23-24

Pray for those who may have heard the gospel but have not yet submitted their lives to Christ, that they will finally see the sacrifice which He made for them and surrender their lives to Him.

More than that, we also rejoice in God through our Lord Jesus Christ, through whom we have now received reconciliation.
readRomans 5:11

Pray for the gospel to advance and for more people to be brought into God's family through the reconciliation Jesus offers them.

I lay down and slept; I woke again, for the LORD sustained me. I will not be afraid of many thousands of people who have set themselves against me all around.
readPsalm 3:5-6

Pray that as people place their faith in Christ and experience isolation or other persecution, God will sustain them and give them confidence and rest in Him.

Truly, truly, I say to you, unless a grain of wheat falls into the earth and dies, it remains alone; but if it dies, it bears much fruit.
readJohn 12:24

Pray that God will raise up men and women who are willing to die to their own desires, bearing much fruit for the kingdom among individuals and in places where His gospel has not been proclaimed.

Guamanian Across Countries (ROP3 - 103499) 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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