[Editor's note: I dug up this interesting list of sovereign states who have passport problems at Wikipedia while working on Natural Earth.]
Most countries accept passports of other countries as valid for international travel and valid for entry. There are exceptions, such as when a country does not recognise the passport-issuing country as a sovereign state. Likewise, the passport-issuing country may also stamp restrictions on the passports of its citizens not to go to certain countries due to poor or non-existent foreign relations, or security or health risks.
Continue reading at Wikipedia . . .
Tags: Add new tag, brazil, china, country, korea, natural earth vector, nev, passport, sovereign state, wikipedia