The Stay back is different for different countries, In Germany after completing your program, you get a Residence Permit for 18 months, In Canada completing your 1 year programs you get 2 year stay back and for 2 year programs you will get 3 year stay back, In Australia after completing your course you are allowed to stay in Australia for 18 months, In UK If you are studying a course for 12 months or more, you can stay for extra four months.