The Atsina of the United States

The Atsina of the United States, numbering approximately 1,200 people, are No Longer Unreached. They are a Native American tribe historically located in the northern Great Plains, particularly in Montana and can also be known as Gros Ventre, A'aninin, White Clay. They are an Indigenous people, in the North American Indigenous people cluster of the North American Peoples affinity bloc. Their primary religion is Christianity - Protestantism. They primarily speak English.

Photo by Google. (2025). Image generated by Gemini 2.5 Flash: Atsina

Fast Facts:

Affinity Group: American Peoples
Country: the United States
People Cluster: North American Indigenous
Primary Language(s): English (eng)
Primary Religion(s): Christianity - Protestantism
Population: 1,200
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG043237
View on Joshua Project

Pray for the Atsina of the 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: Christianity - Protestantism
Religious Affiliation: Christianity

%
Christianity - Protestant… Adherents

Dig Deeper (Language):

Primary Language: English
Language Family:

%
English Speakers

Bible Resources in English:

Or check out the English bible resources at Bible.com

Linked from YouVersion

Next steps for the Atsina

The Atsina are Unengaged and Unreached, 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.

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

Next steps for the Atsina

The Atsina 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.

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

Next steps for the Atsina

The Atsina 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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Atsina of the United States

For God alone my soul waits in silence; from him comes my salvation.
readPsalm 62:1

Pray that those who are troubled and don't know about the God who saves will hear the good news and find rest in the one true God who can offer salvation for their souls.

O LORD, how manifold are your works! In wisdom have you made them all; the earth is full of your creatures.
readPsalm 104:24

Pray that they will see the wisdom and power of God in His creation and praise Him for His mighty works.

But our citizenship is in heaven, and from it we await a Savior, the Lord Jesus Christ, who will transform our lowly body to be like his glorious body, by the power that enables him even to subject all things to himself.
readPhilippians 3:20-21

Pray that as people place their faith in Christ, they will remember their citizenship is in heaven.

Put on the whole armor of God, that you may be able to stand against the schemes of the devil.
readEphesians 6:11

Pray that those God sends to cross cultures will put on the full armor of God so that they will be able to stand against the schemes of the enemy.

Atsina (ROP3 - 102993) reported in the following countries:

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

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