Open methodology · versioned releases

Fitness
Research & Data

Readable reports and downloadable tables with definitions, denominators, limitations, and version history. These releases describe the available data; they do not promise outcomes.

Published releases

How to use the data

Quote the release version, preserve its denominator and limitations, and link to the canonical report. Small or identifying cuts are withheld. For practical decisions, pair the research with the calculator methodology and a suitable workout plan.