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Permanent Residence and Citizenship: Requirements and How to Apply

Permanent Residence and Citizenship: Requirements and How to Apply

Permanent Residence and Citizenship

Also called: Permanent residency, indefinite leave to remain, long-term resident status, naturalisation, green card

The destination rather than the journey. Permanent residence gives an indefinite right to live somewhere without renewing a visa; citizenship gives a passport, political rights and, in the European Union, the right to live in twenty-six other countries. Almost every route runs through several years of continuous temporary residence, and the two things that most often derail it are absences that break continuity, and a language requirement discovered too late. This is also the most document-intensive application anyone makes, and the one where a decades-old vital record suddenly has to be produced, certified and apostilled.

Who needs this

  • Temporary residents who have accumulated the qualifying period.
  • Spouses of citizens, who almost always have a shorter route.
  • People with a citizenship claim by descent, which is not immigration at all but recognition of a status they already hold.

When this is the wrong category

You have a citizenship claim through a parent or grandparent. That is faster, cheaper and stronger than any residence route, and Italy, Ireland, Poland, Portugal, Germany, Greece and Hungary between them cover a very large share of Americans.

What every application in this category needs

Continuous legal residence for the qualifying period
Typically five years for permanent residence and five to ten for citizenship, though it ranges from two years in Argentina and Peru to ten or more in Switzerland and much of the Gulf, where it is effectively unavailable.
Physical presence, not just status
Most systems cap absences, commonly at six consecutive months or ten months in total across the period. This is where more applications fail than on any other ground, and the rules are unforgiving.
Language and civics
A2 for Portuguese permanent residence, B1 for Portuguese citizenship, B1 for German and French citizenship, and a civics test in most systems. Start early: reaching B1 from nothing takes most adults a year or more.
Financial self-sufficiency and a clean record
No reliance on public funds during the qualifying period in many systems, plus police certificates from every country of extended residence.
Tax compliance
Increasingly checked. Unfiled local returns will stop a citizenship application.
The process, in sequence Roughly 29 months end to end if nothing stalls
  1. 1 Track your residence and absences from day one Keep a spreadsheet of every entry and exit with boarding passes. Five years later you will be asked to reconstruct it, and the Schengen Entry/Exit System now has its own record to check yours against. Your action · about 1 days
  2. 2 Start the language requirement early The single most common reason a qualified resident cannot file on time. Your action · about 365 days
  3. 3 Order and authenticate every civil record Birth certificate, marriage certificate, divorce decrees, and a fresh FBI Identity History Summary. Most systems require these to be recent, so a copy you apostilled five years ago for the original visa is usually too old. Documents and authentication · about 40 days
  4. 4 File and wait Citizenship decisions are slow almost everywhere, routinely one to three years. Government processing · about 400 days
  5. 5 Oath or ceremony Where citizenship is granted. Note that some countries require renunciation of previous nationality at this point. Your action · about 60 days

Your action Documents and authentication Government processing

Timing, cost and what the status gives you

How far ahead to start
Permanent residence: the qualifying period plus three to twelve months. Citizenship: the qualifying period plus one to three years for the decision.
What it costs
Government fees from a few hundred to a few thousand dollars, language testing, and a document set that commonly runs to a dozen apostilled and translated records.
Validity and duration of stay
Permanent residence is indefinite but not unconditional: most systems revoke it after a defined absence, often one to two years, and some require a minimum annual presence.
Work rights
Full and unrestricted in almost every case, which is often the main practical gain over a temporary permit.
Family members
Spouses and minor children usually derive status, and children born after naturalisation are typically citizens automatically.

Where applications go wrong

  • Breaking continuity with a long absence. Know your country limit precisely and keep evidence.
  • Leaving the language requirement until you are otherwise eligible.
  • Reusing old apostilled documents. Most systems require records issued within the last three to six months.
  • Not checking whether the country permits dual citizenship. Spain, Austria, Japan, China, Singapore and several others generally require renunciation, and the practical consequences for a U.S. citizen deserve advice before the oath, not after.
  • Assuming time on every visa counts. Student time counts at half rate in several systems, and time on a digital nomad permit does not count at all in some countries.

Common refusal grounds

  • Absences exceeding the permitted limit.
  • Language or civics requirement not met.
  • Reliance on public funds during the qualifying period.
  • Unfiled or unpaid local taxes.
  • A criminal record within the look-back window.

Documents and authentication for this category

This is the second-largest routine apostille order after citizenship by descent. Expect to need a freshly certified and apostilled birth certificate, marriage certificate, any divorce decrees, and an FBI Identity History Summary authenticated federally. Citizenship by descent goes much further: an unbroken chain of birth, marriage and death records across three or four generations, each certified and apostilled by the state that issued it and translated, commonly twelve to twenty documents, with any discrepancy in a name or date needing correction at source first.

The document chain, in the only order that works
  1. 1 Obtain a certified original From the issuing authority. Photocopies, scans and souvenir certificates cannot be authenticated.
  2. 2 Notarise, if it is a private document Letters, affidavits, powers of attorney and diploma copies need a notary acknowledgement first. Government-issued vital records do not.
  3. 3 County clerk, in some states A handful of states require the county clerk to certify the notary commission before the Secretary of State will act.
  4. 4 Authenticate at the right level State-issued documents go to the Secretary of State of the ISSUING state. Federal documents, including the FBI Identity History Summary, go to the U.S. Department of State Office of Authentications.
  5. 5 Apostille or embassy legalisation Hague Convention destination: the apostille ends the chain. Non-member destination: the document then goes to that country embassy or consulate.
  6. 6 Certified translation Translate the document together with its apostille or legalisation certificate. Doing this first means paying twice.
  7. 7 File with the right consulate Jurisdiction is by your U.S. state of residence. Bring originals plus a full copy set.

The two expensive mistakes. Sending a federal document such as an FBI Identity History Summary to a Secretary of State, which cannot authenticate it. And translating before authentication, so the apostille certificate is not inside the translation and the whole set has to be paid for twice.

How it differs by country

Fastest naturalisation
Argentina and Peru at two years, Paraguay at three, Portugal, Panama, Mexico, Brazil and Ireland at five. Spain requires ten for most nationalities but only two for citizens of most of Latin America.
European Union citizenship
Any EU passport carries the right to live and work in all twenty-seven member states, which is why an Italian or Irish claim by descent is worth far more than it first appears.
Citizenship by descent
Italy, Ireland, Poland, Hungary, Greece, Portugal, Germany and Lithuania all recognise claims through ancestors, on very different terms. Italy narrowed its rules substantially in 2025, so a claim that was valid in 2024 may not be now.
United States (inbound)
Permanent residence through family, employment, investment or the diversity lottery, then naturalisation after five years, or three if married to a U.S. citizen.

This category, country by country

Questions

Does time on a tourist visa count?

No. Only legal residence counts, meaning time held on a residence permit. This is why the distinction between a long-stay visa that leads to residence and one that does not, such as Croatia digital nomad permit, matters so much when choosing a country.

Can I keep my U.S. citizenship?

The United States permits dual citizenship. The question is whether the other country does. Spain, Austria, Japan, China, Singapore, India and several others generally require renunciation of the previous nationality at naturalisation, while Portugal, Italy, Ireland, France, Mexico, Brazil, Colombia and Argentina permit dual. Take advice before the oath, because it is not easily undone.

How strictly are absences counted?

More strictly every year, and in Europe the Entry/Exit System now holds a biometric record of every crossing to check your account against. Keep your own log with boarding passes from the first day of residence, not from the year you become eligible.

Authoritative sources

Where this tool disagrees with one of these, the official source is right. Tell us and we will correct it.

Verified Sep 7, 2026 Primary sources: travel.state.gov, www.hcch.net

Verified Sep 7, 2026

This resource is provided free by Federal Apostille as an educational tool. It is not legal or immigration advice, and no attorney-client relationship is created by using it. Visa rules, fees, processing times and entry requirements change frequently and often without notice, and individual circumstances change the answer. Always confirm current requirements with the official government source and the specific embassy or consulate that has jurisdiction over your place of residence before you book travel or file an application. Every figure on this site carries the date we last verified it and a link to the primary source.

Planning to stay, not just visit

If this is a long stay rather than a trip, the retirement atlas covers what the visa paperwork does not: what living there costs, how far a US income goes, healthcare, and where American expats actually settle.

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