The Tongans of Tonga

The Tongans of Tonga, numbering approximately 101,000 people, are No Longer Unreached. They are a Polynesian ethnic group indigenous to the island nation of Tonga in the south Pacific. They are an Indigenous people in the Polynesian people cluster of the Pacific Islander Peoples affinity bloc. Their primary language is Tongan and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Tonga
People Cluster: Polynesian
Primary Language(s): Tongan (ton)
Primary Religion(s): Protestantism
Population: 101,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG018315
View on Joshua Project

Pray for the Tongans of Tonga

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: Protestantism
Religious Affiliation: Christianity

%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Tongan
Language Family: Austronesian

100%
%
Tongan Speakers

Media Resources in Tongan:

Films:

Bible Resources in Tongan:

Or check out the Tongan 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): Significantly Reached People Group, (LPI: 6), > 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 Tongans:
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 Tongans 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 Tongans:
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 Tongans 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 Tongans:
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 Tongans of Tonga

For you, O LORD, are most high over all the earth; you are exalted far above all gods.
readPsalm 97:9

Pray that those who don't yet know Him will recognize the Lord as the Most High and turn from spiritual darkness to worship Him above all else.

Worship the LORD in the splendor of holiness; tremble before him, all the earth!
readPsalm 96:9

Pray that many who do not yet know Jesus will come to know Him and worship Him in the splendor of His holiness.

Seek the LORD and his strength; seek his presence continually!
readPsalm 105:4

Pray that as people place their faith in Christ and may feel weak in their current circumstances, they will seek the Lord's presence and persevere in the Lord's strength.

And if a son of peace is there, your peace will rest upon him. But if not, it will return to you.
readLuke 10:6

Pray that, as people come to faith in Christ and want to share it with others, they will be welcomed into homes and received well so that they can share message of hope with many people.

Tongan Across Countries (ROP3 - 110155) 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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