What are the purpose of VISA regimes?

VISA regimes serve to regulate the entry and stay of foreign nationals in a country, primarily for security, economic, and diplomatic reasons. They help manage Immigration flows, ensuring that visitors meet specific criteria related to security, health, and legal compliance. Additionally, VISA regimes can facilitate international relations by allowing countries to establish agreements and protocols regarding travel. Ultimately, they aim to balance the benefits of tourism and business with the need for national security and public safety.