Stanford's Wordbank, Open Database of Children's Vocabulary, Gets New Home and Data Release

RobbWiller · x · 2026-10-18

Wordbank, Stanford's open database of children's vocabulary development, has moved to a new website with a new data release; its companion R package wordbankr is back on CRAN.

Wordbank aggregates large-scale vocabulary data from children across many languages and CDI instruments. The new site offers vocabulary norms and growth curves, item-level trajectories, cross-linguistic comparisons, CDI scoring tools, and full data downloads.

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