The Conversation – Antonella Sorace
To answer the question, the first thing we have to do is distinguish between babies learning their first language and children or adults learning a second language. For babies who learn their first language, no language is harder than another. Babies all learn their first language in about the same period of time. This is because learning a language is natural for all babies, like learning to walk.
Read More: https://theconversation.com/curious-kids-are-some-languages-more-difficult-than-others-196250