The Chamorros of United States

The Chamorros of United States, numbering approximately 22,000 people, are No Longer Unreached. They are a diaspora community of people from the Mariana Islands, politically divided between the United States territory of Guam and the Commonwealth of the Northern Mariana Islands in Micronesia. They are an Diaspora people in the Micronesian people cluster of the Pacific Islander Peoples affinity bloc. Their primary language is Chamorro and their primary religion is Roman Catholicism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: United States
People Cluster: Micronesian
Primary Language(s): Chamorro (cha)
Primary Religion(s): Roman Catholicism
Population: 22,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG047251
View on Joshua Project

Pray for the Chamorros 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

79%
%
Roman Catholicism Adherents

Dig Deeper (Language):

Primary Language: Chamorro
Language Family: Austronesian

100%
%
Chamorro Speakers

Media Resources in Chamorro:

Films:

Bible Resources in Chamorro:

Or check out the Chamorro 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): 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 Chamorros:
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 Chamorros 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 Chamorros:
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 Chamorros 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 Chamorros:
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 Chamorros of United States

For with the LORD there is steadfast love, and with him is plentiful redemption.
readPsalm 130:7b

Pray for those who are unaware of God's steadfast love that is offered to them through Jesus Christ to learn the truth and experience His plentiful redemption.

And as Moses lifted up the serpent in the wilderness, so must the Son of Man be lifted up, that whoever believes in him may have eternal life.
readJohn 3:14-15

Pray that the lost will look to Jesus lifted up on the cross and believe in Him, gaining eternal life with God.

There is neither Jew nor Greek, there is neither slave nor free, there is no male and female, for you are all one in Christ Jesus.
readGalatians 3:28

Pray that as people place their faith in Christ, they will be united in Christ across all differences of ethnicity, social status, and gender.

Wash me thoroughly from my iniquity, and cleanse me from my sin!
readPsalm 51:2

Pray that God will raise up believers to go and share the gospel with those in this people group who need to be washed of their iniquity and cleansed from their sins.

Chamorro Across Countries (ROP3 - 103498) 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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