A Cross-National Dataset on Corporate Political Finance Regulation, 1990–2023

This dataset provides a cross-national panel of corporate political finance regulation covering 36 countries from 1990 to 2023. The dataset captures six institutional dimensions: corporate contributions to political parties, corporate contributions to candidates, donation limits, indirect financing channels, disclosure requirements, and enforcement capacity.All variables are constructed based on legal documents and institutional sources using a transparent and replicable coding framework. The dataset includes both disaggregated indicators and a composite index, enabling cross-country comparisons and panel data analysis. It is suitable for research in political economy, comparative politics, and institutional economics. All data and documentation are publicly available, ensuring transparency and reproducibility.