The length of an Australia Tourist Visa depends on the stream and individual circumstances. The standard tourist visa duration in Australia is 3 months per visit yet there are exceptions for extended stays of up to 12 months when visiting immediate family members. The visa permits entry for both single and multiple occasions. While in Australia, you must abide by your visa rules which include the prohibition of employment. You have the option to apply for a new visa before your current one ends if your situation changes.