This article explains what is happening to create this.
https://borgenproject.org/top-10-facts-about-yemen-child-soldiers/
Top 10 Facts About Yemen Child Soldiers | The Borgen Project
Top 10 Facts About Yemen Child Soldiers: Similar to most conflicts, Yemeni children have suffered immensely since the war began in 2014.
https://borgenproject.org/top-10-facts-about-yemen-child-soldiers/