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Joshua Project Progress Scale
The Joshua Project Progress Scale provides an estimate of the progress of church planting among a people group or country. The scale is derived from a comparison and integration of % Evangelical, % Adherent, Patrick Johnstone Church Planting Indicator (CPI), Global Status of Evangelical Christianity (GSEC) Indicator, Morelia Scale, World Christian Encyclopedia World A-B-C classification and other progress indicators.

There are instances where the above progress indicators are inconsistent with one another. In these cases the Joshua Project scale takes a middle ground approach. Please send Joshua Project any information which might help to reconcile conflicting reports about the current status among a people group or country.
 
Stage
Level
Level Description
Unreached / Least-Reached
Less than 2% Evangelicals and
Less than 5% Christian Adherents
Very few, if any, known Evangelicals.
Professing Christians less than or equal to 5%.
Evangelicals greater than 0.01%, but less than or equal to 2%.
Professing Christians less than or equal to 5%.
Formative / Nominal Church
Less than 2% Evangelicals and
Greater than 5% Christian Adherents
Very few, if any, known Evangelicals.
Professing Christians greater than 5%.
Evangelicals greater than 0.01%, but less than or equal to 2%.
Professing Christians greater than 5%.
Significant / Established Church
Greater than 2% Evangelicals
Evangelicals greater than 2%, but less than or equal to 5%.
Evangelicals greater than 5%.
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