Abstract This paper will study the power structure of Yemen from the First World War until 2016. The study will be based on a comparative historical analysis as a method. This method allows for an in-depth understanding of why certain events occur and its impact on today's Yemen’s power structure. The work will also be in theory-consuming design, meaning the empire will be interpreted based on three different theories. These three theories’ will explain why Yemen is a weak state. The focus of the work is to study if Yemen is a functioning state and find crucial explanations for its design as we see today.   The result of this study is that Yemen is a week state but not a falling one. The country stands in front of great difficulties as the country have little impact and small recourses to improve the finance state of the country, while poverty strikes. The country lacks a decentralized policy, secure institutions and good approaches to the country's natural resources. This results in starvation, conflict and uncertainty in the country. Even historical events have divide people and caused identity crisis among the people which is a root to many conflicts.