Foreign citizens travel to Indonesia for many reasons, including for work, in order to be reunited with their families and so forth. According to data supplied by Statistics Indonesia (BPS), some 10.41 million foreign citizens visited Indonesia in 2015, with 9.73 million of these entering the country for the purposes of leisure and vacation.  In the professional sector, the number of foreign citizens working in Indonesia totaled approximately 69,000 workers annually between 2013 and 2015.
 
All foreign citizens visiting Indonesia are required to secure the appropriate visa, just as they are in other countries. Such visas function as entry approval from the government and come with a number of conditions attached to them. A valid visa will also become the basis upon which foreign citizens can secure a relevant stay permit, pursuant to the type of visa concerned and the purpose of entry into the country.
 
Visa applications may be submitted by foreign citizens, either manually or electronically, through the immigration-management information system.After the relevant visa has been secured, a foreign citizen must make use of it within 90 days of its date of issuance, otherwise the visa will automatically be invalidated.[1] A total of four types of entry visa are issued by the Indonesian government, specifically:[2]