Travel ban
A travel ban is one of a variety of mobility restrictions imposed by governments. Bans can be universal or selective, and temporary or indefinite. Governments may impose geographic restrictions prohibiting visitors from abroad to their jurisdictions, or restrictions on their own citizens traveling to other jurisdictions. Restrictions can also be based on individual status, such as health or vaccination, or as driving bans during extreme weather events. During the COVID-19 pandemic, governments banned entry by residents of some or all other countries. Motivations for travel bans vary in nature with some being economic while others being more so politically motivated.
Travel bans can be imposed by a variety of means, including not issuing travel visas that foreign citizens must aqcuire to enter the country legally.