Method evidence record

Lexis Diagram

The Lexis diagram is a geometric bookkeeping device that places every demographic event in a two-dimensional grid of age against calendar time, so that each person's life traces a diagonal line and each cohort fans out as a band of parallel lifelines. Named after the German statistician Wilhelm Lexis, it is the foundational drawing of formal demography: it makes the otherwise confusing relationship between age, period, and birth cohort visible, and it tells the analyst exactly which deaths, births, and person-years belong together when a rate is computed.

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The Lexis Diagram for Age-Period-Cohort Bookkeeping

Taxonomic method record · process-pipeline / demography

Preston, S. H., Heuveline, P., & Guillot, M. (2001). Demography: Measuring and Modeling Population Processes. Blackwell. · ISBN 9781557864512

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Related methods

Generated from the method graph and shown as machine-suggested relations — no evidence claim is inferred.

Used in the same domainLee-Carter Modelmachine-suggested · Relational suggestion, not evidence.Used in the same domainLife Tablemachine-suggested · Relational suggestion, not evidence.Same method familyPreston-Coale Methodmachine-suggested · Relational suggestion, not evidence.Used in the same domainStable Population Theorymachine-suggested · Relational suggestion, not evidence.