Traditional policies, such as taxation, social protection and minimum wages affect mostly the formal sector. As Viet Nam advances economically, informality may start to decline, but during the interim period more inclusive policies are needed to protect workers in self-employment or informal jobs, as well as ways to increase revenues. Labour inspection capacities should be strengthened and should include a monitoring system with enforceable penalties in the event of non-compliance. The Northern Mountainous regions have the largest population in the bottom national income quintile (44%), while the Southeast region has the largest share of the population in the top national income quintile (32%).