Can a country be declared safe in the sense that it cannot produce refugees?
No. Even in states where there is generally no serious risk of persecution, claims by nationals must still be considered. These may be channelled through an ‘accelerated procedure’ provided that the asylum seeker is given a fair hearing. Source: Refugees Magazine Issue 123: “The Wall Behind Which Refugees Can Shelter” – The 1951 Geneva Convention 50th Anniversary (July 2001).