This repository contains the data and replication materials supporting the article “Clean industrial transition and sustainable industrial development in sub-Saharan Africa: The moderating role of institutional quality.” The materials include a harmonised annual panel of 48 sub-Saharan African countries covering 2000–2025, imputation flags, a data dictionary, country and subregional classifications, the values underlying the reported descriptive statistics, tables and figures, and R scripts for index construction, diagnostic testing, baseline estimation, moderation analysis, robustness checks and subregional analysis. The repository also contains a README describing the file structure and replication procedure.