<![CDATA[Mathematical literacy is an essential skill required for students to solve problems in real-life contexts. However, students still experience difficulties in solving mathematical literacy problems, particularly those based on real-world data. This study aimed to analyze students' errors in solving mathematical literacy problems based on regional public data using Newman’s Procedure. This research employed a descriptive qualitative approach and was conducted at SMP Negeri 2 Sungguminasa. A total of 24 eighth-grade students participated in the test, from which three students representing high, medium, and low ability categories were selected through purposive sampling. Data were collected through mathematical literacy tests developed using official statistical data from South Sulawesi Province, semi-structured interviews, and documentation. The results showed that each ability category exhibited different types of errors. High-ability students made comprehension and encoding errors. Medium-ability students made comprehension, transformation, process skills, and encoding errors. Meanwhile, low-ability students experienced errors at all stages of Newman’s Procedure. These errors were influenced by students’ limited understanding of problem information, unfamiliarity with mathematical literacy problems based on regional public data, and difficulties in interpreting calculation results within the given context.]]>
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