and the former Soviet Union.92 Even those of unknown nationality with regular permits born in the Netherlands (20 per cent) are in one quarter of cases children of Yugoslav and Soviet fathers (only 2 per cent are of actual Dutch descent). Whether or not they are stateless, the fact of the matter is that all persons in this category have legal residence in the Netherlands and are therefore not particularly vulnerable to the difficulties generated by a stateless existence.93 Persons of unknown nationality without a residence permit 70. There are 10,493 registered persons of unknown nationality who reside in the Netherlands without a residence permit. Their situation is seriously affected by the lack of such a permit. Figure 8 displays their countries of birth.94 Fig. 8 - People of unknown nationality without a residence permit country of birth (N>100) 3000 2500 2000 1500 1000 500 0 Source: CBS, situation 1 January 2010. “N > 100” indicates that data is only included where it concerns at least 100 individuals. 71. Clearly, the largest group of persons of unknown nationality without permits were born in the Netherlands, though in 97 per cent of the cases the father was born abroad (see figure 9).95 92  egular residence permit holders of unknown nationality are predominantly born in the Netherlands R (20 per cent), the former Soviet Union (14 per cent), and the former Yugoslavia (12 per cent). CBS, data not available on Statline but on file with UNHCR. 93 It should be noted that successful application for a no-fault residence permit is not the only way to acquire a regular residence permit. For example, requests for family reunification and study or workrelated applications (if successful) all result in regular permits. Available data does not, however, specify the grounds on which persons of unknown nationality have been issued a regular permit. 94 Ibid. 95 Ibid. in the Netherlands 31