Wordbank: An open database of children's vocabulary developmentVocabulary Norms Explore vocabulary size growth curves for various languages and demographic groups. Item Trajectories Explore developmental trajectories of individual words in various languages. Wordbank contains data from 92,771 children and 105,290 CDI administrations, across 42 languages and 89 instruments: Wordbank is an open database of children’s vocabulary growth, featuring data from contr
