section_path: Other dimensions/Movement of people
section_name: Movement of people
paragraph_text: Movement of people
  
  An essential aspect of globalization is movement of people, and state-boundary limits on that movement have changed across history. The movement of tourists and business people opened up over the last century. As transportation technology improved, travel time and costs decreased dramatically between the 18th and early 20th century. For example, travel across the Atlantic Ocean used to take up to 5 weeks in the 18th century, but around the time of the 20th century it took a mere 8 days. Today, modern aviation has made long-distance transportation quick and affordable.
  
  Tourism is travel for pleasure. The developments in technology and transportation infrastructure, such as jumbo jets, low-cost airlines, and more accessible airports have made many types of tourism more affordable. At any given moment half a million people are in the air. International tourist arrivals surpassed the milestone of 1 billion tourists globally for the first time in 2012. A visa is a conditional authorization granted by a country to a foreigner, allowing them to enter and temporarily remain within, or to leave that country. Some countries – such as those in the Schengen Area – have agreements with other countries allowing each other's citizens to travel between them without visas (for example, Switzerland is part of a Schengen Agreement allowing easy travel for people from countries within the European Union). The World Tourism Organization announced that the number of tourists who require a visa before traveling was at its lowest level ever in 2015.
  
  Immigration is the international movement of people into a destination country of which they are not natives or where they do not possess citizenship in order to settle or reside there, especially as permanent residents or naturalized citizens, or to take-up employment as a migrant worker or temporarily as a foreign worker. According to the International Labour Organization, as of 2014 there were an estimated 232 million international migrants in the world (defined as persons outside their country of origin for 12 months or more) and approximately half of them were estimated to be economically active (i.e. being employed or seeking employment). International movement of labor is often seen as important to economic development. For example, freedom of movement for workers in the European Union means that people can move freely between member states to live, work, study or retire in another country.
  
  Globalization is associated with a dramatic rise in international education. The development of global cross-cultural competence in the workforce through ad-hoc training has deserved increasing attention in recent times. More and more students are seeking higher education in foreign countries and many international students now consider overseas study a stepping-stone to permanent residency within a country. The contributions that foreign students make to host nation economies, both culturally and financially has encouraged major players to implement further initiatives to facilitate the arrival and integration of overseas students, including substantial amendments to immigration and visa policies and procedures.
  
  A transnational marriage is a marriage between two people from different countries. A variety of special issues arise in marriages between people from different countries, including those related to citizenship and culture, which add complexity and challenges to these kinds of relationships. In an age of increasing globalization, where a growing number of people have ties to networks of people and places across the globe, rather than to a current geographic location, people are increasingly marrying across national boundaries. Transnational marriage is a by-product of the movement and migration of people.