This study was to know the correlation between students’ vocabulary competence and the descriptive reading at the twelfth grades of Madrasah Aliyah around Demak. The respondents in this study were 23 classmates from X1 class. This was a quantitative study that used a correlational research methodology. Two methods were utilized to gather data for this study, one to test students' vocabulary knowledge and the other to assess descriptive reading skills. The researcher analyzed the data and the association between students' vocabulary knowledge and descriptive reading skills after collecting data from the Reading Comprehension and Vocabulary test. The study used the coefficient of pearson product moment computation in SPSS to assess the relation between students' vocabulary knowledge and descriptive reading skills. The significant value was 0.000 ≤ 0.005, indicating that there was a relation among vocabulary competency and descriptive reading ability among the students. according to the data. 0.700 is the value of the correlation coefficient. It ranges from 0.60-0.799. It is clear that there is a strong degree of relevance relationship. The correlation test gave a score of 0.700, indicating a high level of correlation. The researcher discovered a positive relationship between students' vocabulary competence and descriptive reading ability in the twelfth grade at the madrasah Aliyah in Demak.

Keywords: Correlation, Vocabulary Mastery, Reading Comprehension