Observed arrival · 2026-11-08
Definition Shift tracks when official numbers change meaning
A reference site tracking changes to statistical definitions, methods, and revisions across labour, prices, GDP, poverty, and crime.
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- For
- Readers comparing official statistics across years
- Worth noticing
- Its 1,451 World Bank indicator definitions sit alongside current income classifications for 217 economies and a dated payroll-revision series.
Field notes
Coverage spans labour, prices, national accounts, poverty, and crime, with separate indexes for agencies, headline measures, and indicator definitions. The listed records include 22 dated definition changes and eight GDP rebasing cases; the payroll series covers March benchmarks from 2004 through 2025 plus a 2026 preliminary estimate. A linked “How we check” section signals an editorial method, though its contents are not included in this extract.
Observed signals
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Editorial observations of this landing page, not a rating.
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●ProPolished or operationally mature
◎NicheUnusually specific use
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One card from the complete issue