Evidence against baby walker is not enough regarding its negative effect on child development. This subject needs to be addressed more, considering a large number of baby walker users worldwide.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5703622/


Surveillance System data from 1990 to 2014 

 230 676 children <15 months old were treated for infant walker–related injuries in US emergency departments from 1990 to 2014.

9 out of every 10 injuries were to the head and neck and 74% were injuries secondary to falling down the stairs in an infant walker

https://publications.aap.org/pediatrics/article-abstract/142/4/e20174332/37420/Infant-Walker-Related-Injuries-in-the-United?redirectedFrom=fulltext?autologincheck=redirected