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

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:

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 is the King of all the earth; sing praises with a psalm!
readPsalm 47:7

Pray for those who live for idols that will never satisfy their hearts, asking that someone will tell them that God is the King of all the earth so that they will turn to Him in repentance and praise.

For from the rising of the sun to its setting my name will be great among the nations, and in every place incense will be offered to my name, and a pure offering. For my name will be great among the nations, says the LORD of hosts.
readMalachi 1:11

Pray that they will worship God in spirit and truth, offering Him the sacrifices of praise and thanksgiving that He desires.

And Jesus answered him, "Blessed are you, Simon Bar-Jonah! For flesh and blood has not revealed this to you, but my Father who is in heaven."
readMatthew 16:17

Pray that as people place their faith in Christ, they will abide in Him and have assurance that He is the Christ, the Son of the Living God.

The steps of a man are established by the LORD, when he delights in his way.
readPsalm 37:23

Pray that believers from near and far will serve here and trust in the Lord's timing as He establishes their steps.

Atsina reported in the following countries (ROP3):

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

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