This study investigated the amount of vocabulary that Saudi EFL teachers have in Saudi Arabia. The participants included 75 Saudi EFL males' teachers and 121 Saudi EFL females' teachers, who were chosen randomly from various Saudi public schools. Moreover, the study utilized a Vocabulary Levels Test VLT, which was constructed by Webb, Sasao, and Ballance (2017) as a tool for the current research. The objectives of the study are to examine the amount of vocabulary that Saudi EFL teachers have in accordance with Vocabulary Levels Test VLT of Webb, Sasao, and Ballance (2017). Additionally, the study aimed to investigate Saudi EFL teachers' proficiency in accordance with the word frequency level attained in the Vocabulary Levels Test VLT of Webb, Sasao, and Ballance (2017). The current study utilized a statistical software, Statistical Package for Social Sciences (SPSS, version 25). The findings indicated that the performance of both genders, males and females EFL teachers, is approximately the same except in the fourth word frequency level. The results interpreted that the performance of the EFL Saudi males' teachers in the Vocabulary Levels Test VLT of Webb, Sasao, and Ballance (2017) is better than females in the fourth word frequency level. Accordingly, the Saudi EFL males' teachers in public schools are proficient than females' public schools teachers in accordance to the level attained in the Vocabulary Levels Test VLT of Webb, Sasao, and Ballance (2017).