This study aimed to investigate the gender differences in terms of anxiety among Yemeni university EFL learners. It also aimed to investigate the correlation between the level of anxiety and the academic achievement of the students. The participants of this study were 155 students chosen from the population through stratified random sampling. The participants are selected from English Department, Faculty of Arts, Ibb University, Yemen. The data was collected by using a questionnaire adopted from Yassin (2015), and the data was analysed by using 22nd version of the SPSS. The data of the first question was analysed by using T-test and the result of the analysis showed that the females experienced higher level of anxiety than male students, but the difference between both groups is not significant. The second question was analysed by using Pearson Product Moment Correlation and the result showed that there is not significant correlation between the level of anxiety and the academic achievement of the students.