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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.

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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

Claiming to be wise, they became fools.
readRomans 1:22

Ask God to pour out His mercy and bring those who are walking in their own wisdom to faith in Jesus.

The steadfast love of the LORD never ceases; his mercies never come to an end; they are new every morning; great is your faithfulness.
readLamentations 3:23-23

Pray that they will have hope in the Lord, knowing that His compassions never fails and that His mercies are new every morning.

And God is able to make all grace abound to you, so that having all sufficiency in all things at all times, you may abound in every good work.
read2 Corinthians 9:8

Pray that as people place their faith in Christ, they will trust God in all things, especially in times of persecution.

He came as a witness, to bear witness about the light, that all might believe through him.
readJohn 1:7

Pray that God will raise up witnesses to testify about Jesus so that all might believe, knowing that He is light and in Him there is no darkness at all.

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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