During what stage of development should a child be expected to have a vocabulary of 2100-3000 words?

A child is expected to have a vocabulary of 2100-3000 words during the age of five years. At this developmental stage, children are progressing rapidly in their language acquisition skills. They are moving beyond basic sentence structures and beginning to use more complex sentences. This period also coincides with increased social interactions, where they learn new words through conversations, stories, and play.

By age five, children are typically able to express themselves more clearly and may engage in storytelling or describe past events. Additionally, their understanding of the language's rules and grammar improves, allowing them to form more sophisticated ideas and concepts. This vocabulary range sets the foundation for more advanced language skills that will develop as they enter formal schooling, where literacy and vocabulary building continue to expand significantly.

In contrast, the vocabulary of younger children, such as those at age three or four, tends to be less developed, often in the range of 200-1500 words, and they are not yet as proficient in complex sentence construction. Thus, the vocabulary milestones achieved by five-year-olds reflect their cognitive and social development at this critical stage.