Across the global Church, we report unprecedented access to Christianity—Scripture availability, digital reach, training resources, and evangelistic activity. Yet few efforts measure whether these inputs are producing durable spiritual formation, obedience, and reproducible discipleship at the population level.
The SALT Index (Scripture Absorption and Life Transformation) is a research framework designed to answer a question the global Church increasingly recognizes as essential: Is Scripture truly being absorbed in ways that measurably transform lives? For decades, Christian impact has often been described through outputs: Messages delivered Bibles or scriptural materials distributed People “reached" Decisions recorded While these measures matter, they do not fully answer the bibl
