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How Missing Data Skews National Statistics Without Anyone Noticing

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Editorial research disclosure: This article examines how missing, incomplete, delayed, poorly covered or selectively unavailable data can change the picture produced by national statistics. It does not claim that Nigerian official statistics are automatically wrong. The central issue is narrower and more important: even professionally produced statistics can be affected by coverage gaps, non-response, item missingness, measurement problems, outdated frames, administrative blind spots, imputation assumptions and delayed information. Daily Reality NG separates documented facts from its own analytical interpretation throughout this article. Published January 30, 2026 Updated September 09, 2026 Pillar guide Approx. 40+ minute read Nigeria How Missing Data Skews National Statistics Without Anyone Noticing Information verified and updated as of September 2026. National statistics often arrive with the appearance of certainty....