Languages Of The World Codexery — Data & Quality

We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.

Last full accuracy audit: 2026-08-27 · 8 entries checked · 6 flagged · 10 issues confirmed · 6 corrected · 4 still open

Recent findings (audit lane, verbatim)

Sign language — The claim that Chinese Sign Language and American Sign Language each have more users than Indo-Pakistani Sign Language is not supported by reliable census data; the relative ranking is disputed or unclear.

Sindhi language — The claim that Sindhi is 'the third most widely spoken language in the country overall, after Punjabi and Urdu' is inaccurate; Sindhi is third after Punjabi and Pashto, not Urdu.

Sindhi language — The claim that 'the language has five cases for nouns' is inaccurate; standard Sindhi grammar traditionally recognizes three or four cases, not five.

Sinhala language — The claim that the earliest attested forms of Sinhala are from the 6th century CE is incorrect; the earliest inscriptions date from the 3rd–2nd century BCE.

Sinhala language — The statement that the oldest known Sinhala grammar, Sidatsan̆garavā, was written in the 13th century CE is a factual error; it was composed in the 12th century CE.

Sino-Tibetan languages — The claim that Sino-Tibetan is 'second only to Indo-European in number of native speakers' is misleading or inaccurate because Niger-Congo languages have more native speakers than Sino-Tibetan according to many sources.

Sino-Tibetan languages — The statement that Logan added Karen in 1858 is inaccurate; he added Karen in 1856.

Slavic languages — The Freising manuscripts are incorrectly implied to be an example of East Slavic linguistic features; they are actually written in a Slovene dialect (West South Slavic) and are not related to East Slavic or Kievan Rus.

Slavic languages — The entry states that Old East Slavic existed until at least the 12th century, but it is generally considered to have existed from the 10th to the 14th century, with the breakup into distinct East Slavic languages occurring later.

Yiddish — The claim that the earliest surviving continuous literary text is the Cambridge Codex from 1382 is incorrect; the oldest surviving continuous Yiddish literary text is generally considered to be the 'Dukus Horant' manuscript, also from around 1382, not the Camb

Open data

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Corrections

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