At what age does the two-word stage typically begin?

The two-word stage typically begins between 18 months and 2 years of age, which aligns with the developmental milestones observed in child language acquisition. During this period, children start to combine two words to form simple sentences, such as "want cookie" or "big truck." This stage indicates a significant cognitive leap, as it shows that children are beginning to understand the relationships between words and can convey more complex meanings than single words alone.

The onset of this stage is crucial because it marks the transition from single-word utterances to more advanced forms of communication, laying the foundation for more complex sentence structures and vocabulary development in the following stages of language acquisition. This stage also reflects children’s growing understanding of syntax and grammar as they start to express desires, needs, and observations in a two-word format.