South Korea: F-2 then F-5 — clear permanent residency pathway through investment
South Korea has a genuine investment relocation program: designated area real estate or public development funds, granting F-2, and after 5 years…
Japan: permanent residency 1–3 years with high-skill status — but no dual citizenship
Japan does not allow Vietnamese citizenship when naturalizing, so the reasonable target is permanent residency. Highly Skilled Professional categ…
China: the world's hardest green card to obtain, and citizenship is virtually off the table
China does not recognize dual citizenship, and naturalization for foreigners is so rare it should not be considered an option.…
Mongolia — Only two neighboring countries, and how one small nation created a third neighbor
Mongolia borders only Russia and China, has no sea access, and the world's lowest population density. The "neighborhood" policy…
North Korea — Where passport ranking numbers lose all meaning, and why that's worth learning
North Korea's passport ranks 40 destinations on the index. That figure is nearly meaningless, because ordinary citizens cannot…