<![CDATA[This study aims to describe the implementation of the Problem-Based Learning (PBL) model on population dynamics to improve the problem-solving skills of eighth-grade students at SMP Negeri 28 Surabaya. The study used a descriptive qualitative approach, with social studies teachers and eighth-grade students as subjects. Data collection techniques were conducted through observation, interviews, documentation, and learning assessments. The results showed that the application of the PBL model was able to increase student engagement in the learning process, develop critical thinking skills, and help students find solutions to contextual population problems. PBL implementation was carried out through five stages: problem orientation, student organization, group investigation, presentation of results, and evaluation of the problem-solving process. Supporting factors for implementation included the use of the contextual problem 'Surabaya 2045,' heterogeneous group work, and problem-solving-based student worksheets (LKPD). Challenges encountered included limited discussion time and differences in student participation levels. This study demonstrates that the PBL model is effective in social studies learning, particularly population dynamics, to improve students' problem-solving skills.]]>
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