Foreign workers in Saudi Arabia, estimated to number about 9 million as of April 2013, began migrating to the country soon after oil was discovered in the late 1930s.
Pekerja asing di Arab Saudi, diperkirakan berjumlah sekitar 9 juta pada April 2013, mulai bermigrasi ke negara tersebut segera setelah minyak ditemukan di akhir 1930-an.