Hardest Countries to Immigrate To 2025

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Country
Years of Residency Required
Additional Immigration Details
ChinaUnclear. Requirement exists but is poorly defined.
  • Can naturalize if relatives are citizens living in China. Process is arduous and challenging.
Indianot applicable
  • The only way for foreigners to receive citizenship is through marriage or by giving up their original citizenship to become naturalised.
Saudi Arabianot applicable
  • Must be spouse of Saudi citizen.
North Koreanot applicable
  • Only the Presidium of the Supreme Peoples' Assembly can grant citizenship to a foreigner.
Vatican Citynot applicable
  • Must be working for the Catholic Church in some capacity or meet extremely narrow requirements.
  • Citizenship is impermanent.
Germany8 years (7 for some)
  • Must learn German, have gainful employment, and show knowledge of German society.
United States5 years
  • Must pass increasingly stringent eligibility requirements, must pass English language and U.S. history exam, swear oath of allegiance to U.S.
Japan5 years
  • Must undergo years-long screening and interview process, renounce other citizenships
South Korea5 years
  • Must learn Korean and renounce other citizenships.
  • Males aged 18-35 must serve 18 months in military.
Finland4-5 years
  • Foreigners can apply for citizenship after 4 or 5 years of permanent residence.
  • Individuals who have lived in Finland since turning 15 must have done so for at least 7 years and without interruption for the past 2 years.
  • Multiple citizenship is permitted, but such individuals must demonstrate close ties with Finland by age 22 or risk losing their Finnish passport.
  • Prospective citizens must have a clean criminal record and must learn Finnish, Swedish, or Finnish Sign Language.
Liechtenstein30 years (5 years if married, each year counts for two if under age 20)
  • Must renounce citizenship in any other country.
United Arab Emirates30 years (3 years for citizens of Oman, Qatar, or Bahrain, 7 years for other Arabic peoples).
  • Must speak Arabic fluently, have a legal source of income, a clean record and possess an academic qualifications.
San Marino30 years
  • Citizenship is granted after 30 years of uninterrupted residence.
  • Applicants must renounce their previous citizenship and prove they have never been convicted or received a prison sentence of longer than 1 year.
Qatar25 years, having never left for longer than two months
  • Must have valuable skill. Still will not have full rights once naturalized.
Kuwait20 years (15 for male spouses and certain nationalities)
  • Must speak Arabic and must have been Muslim for 5 years minimum.
Bhutan20 years (15 for government workers)
  • Must swear oath of allegiance to king, country, and people.
  • Citizenship can be revoked for criticizing same.
Switzerland10 years (5 if from Canada, U.S., or E.U. or EFTA country)
  • Must have difficult-to-obtain permit to stay in country for required time.
  • Must demonstrate devotion to Swiss society.
Austria10 years
  • Must have in-demand or top-notch professional skills; must learn German, assimilate w/ Austrian culture, and renounce other citizenship.
Monaco10 years
  • Potential citizens are expected to renounce any foreign nationality and be free from foreign national service obligations.
  • A minimum of 10 continuous years of residency in Monaco since the age of 18 is required to apply for citizenship.