Europe's personal income tax rates reveal a striking contrast between countries, highlighting differing approaches to funding public services and achieving economic priorities. Among European OECD countries, the average personal income tax rate stands at 42.8%, with some nations adopting highly progressive systems to ensure equitable contributions from higher earners. According to European Commission, At the top of the list, Denmark imposes the highest personal income tax rate in Europe at 55.9%. Renowned for its expansive social welfare programs, the country is also among the wealthiest globally, ranking sixth in wealth per capita. However, Denmark is not resting on its laurels; comprehensive tax reforms slated for 2026 aim to stimulate economic growth, enhance fairness, and promote sustainability initiatives, reflecting the country's commitment to long-term progress.