The UN Security Council's post-WWII structure is deemed outdated and inadequate for contemporary global challenges. The author advocates for urgent reforms ensuring more effective, equitable, and accountable representation, emphasizing that “The world is bigger than five.” Key proposals include abolishing the veto privilege and strengthening the General Assembly's powers through rotational elections for Security Council members. The current system is criticized for failing to prevent crises and address inequalities. Adapting international institutions to new power centers, promoting regional solutions, and sharing responsibilities equitably are crucial for global justice. Türkiye actively supports these vital reforms.