What is the national policy of Bhutan regarding migration?

Bhutan's national policy on migration emphasizes maintaining its cultural identity and ensuring sustainable development. The government encourages internal migration to promote urbanization and economic growth while regulating external migration to preserve national values. Bhutan aims to balance population movement with environmental conservation and social cohesion, prioritizing the well-being of its citizens. Overall, the policy reflects the nation's commitment to Gross National Happiness, which integrates economic progress with cultural preservation and environmental sustainability.