How many words did the average person know in the 1800s?

In the 1800s, the average person's vocabulary varied significantly based on factors such as education, social class, and region. Estimates suggest that a literate individual might have known around 10,000 to 20,000 Words, while those with less education would have had smaller vocabularies. However, these figures are rough approximations, as comprehensive data on the vocabulary size of the general population during this time is limited.