| Level | Description | Criteria |
|---|
| 1a | Unreached (Frontier) - Less than 1 in 1,000 (0.1%) identify as Christians in any way.✸︎ | Evangelicals <=0.1% Professing Christians <=0.1% |
| 1b | Unreached (non-Frontier) - Few evangelicals and little, if any, history of Christianity.◼︎ | Evangelicals >0.1% and <=2% Professing Christians >0.1% and <=5% |
| 1 | Unreached (All) - Few evangelicals and few who identify as Christians. Little, if any, history of Christianity.✸︎+◼︎ | Evangelicals <= 2% Professing Christians <= 5% |
| 2 | Minimally reached - Few evangelicals, but significant number who identify as Christians. | Evangelicals <= 2% Professing Christians > 5% and <= 50% |
| 3 | Superficially reached - Few evangelicals, but many who identify as Christians. In great need of spiritual renewal and commitment to biblical faith. | Evangelicals <= 2% Professing Christians > 50% |
| 4 | Partially reached - Evangelicals have a modest to moderate presence. | Evangelicals > 2% and <= 10%
|
| 5 | Significantly reached - Evangelicals have a significant presence. | Evangelicals > 10%
|