You have likely heard of Unreached People Groups (UPGs)—ethnic groups of peoples where the number of self-professing Christians is under 5% of the population.^[1]

Unengaged UPGs (UUPGs) are those groups the church has not yet attempted to reach. They still lack any kind of witness among them, and there is not even a plan to create one. There is no way they could hear about Jesus unless someone crosses a cultural barrier to bring them the good news.

Now there’s a new term circulating among missiologists^[2]: Frontier People Groups (FPGs). While the definition is still in flux, the label was added to make a distinction between UPGs where God has begun a work, and those groups yet to experience their first church.

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