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PEOPLE GROUP PROFILE

The Ache of Paraguay

The Ache of Paraguay, numbering approximately 1,200 people, are No Longer Unreached. They are an Indigenous people of eastern Paraguay, recognized for their deep-rooted hunter-gatherer traditions. They are also known as Aché-Guayaki. They are an Indigenous people in the South American Indigenous people cluster of the Latin American and Caribbean Peoples affinity bloc. Their primary language is Aché and their primary religion is Animism.

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

Fast Facts:

Affinity Group: Latin American and Caribbean Peoples
Country: Paraguay
People Cluster: South American Indigenous
Primary Language(s): Aché (guq)
Primary Religion(s): Animism
Population: 1,200
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG017242
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Pray for the Ache of Paraguay

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.

Pray Now!
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Dig Deeper (Religion):

Primary Religion: Animism
Religious Affiliation: Ethnoreligion

98%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Aché
Language Family: Tupian

100%
%
Aché Speakers

Media Resources in Aché:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Aché:

Provided by Faith Comes by Hearing

Or check out the Aché bible at Bible.com

Linked from YouVersion

View all resources

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): 10% or Greater Evangelical (GSEC: 6), this people group is greater than or equal to 10% evangelical

Next steps for the Ache:
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 Ache 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 Ache:
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 Ache 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 Ache:
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 Ache of Paraguay

That they should seek God, and perhaps feel their way toward him and find him. Yet he is actually not far from each one of us.
readActs 17:27

Pray that those who don't yet know Christ will search diligently for God and find Him, though He is not far from each one of us.

This is the message we have heard from him and proclaim to you, that God is light, and in him is no darkness at all.
read1 John 1:5

As mobile phones, radio, and satellite television, and other technologies become more available worldwide, pray for people who are developing digital gospel resources so that others can easily access the gospel.

In my Father's house are many rooms. If it were not so, would I have told you that I go to prepare a place for you?
readJohn 14:2-3

Pray that as people place their faith in Christ, they will persevere in hope, remembering that Jesus went to prepare a place for them to be with Him for eternity!

The true light, which gives light to everyone, was coming into the world. He was in the world, and the world was made through him, yet the world did not know him.
readJohn 1:9-10

Pray for those God might send to share the gospel here. Ask that they will grow closer to Jesus and be compelled to share His good news with people who don't know it.

Ache Across Countries (ROP3 - 100040) 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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