Guides — United States

Guides — United States: Green card: how to keep your US permanent residence and when you can lose it · How to become a US citizen (Form N-400): requirements and steps · The 2025 US civics test: what changed and how to prepare

Every guide here is based on official sources, linked at the end together with the date of the last update. Guides are general information, not legal advice.

Guides published so far: 4

• Green card: how to keep your US permanent residence and when you can lose it

  When long trips abroad count as abandoning US permanent residence, what a re-entry permit is, how to renew a green card, and the obligations that protect your status.

• How to become a US citizen (Form N-400): requirements and steps

  Naturalization requirements for green card holders: residence, physical presence, good moral character, and every stage from Form N-400 to the Oath of Allegiance.

• The 2025 US civics test: what changed and how to prepare

  The new US naturalization civics test explained: a bank of 128 questions, up to 20 asked at the interview, 12 correct answers to pass, who it applies to, and the 65/20 rule.

• Social Security numbers and credit history in the US: a guide for newcomers

  What a Social Security number is and who can get one, how it differs from an ITIN, and how to build a credit history from scratch in the United States without falling into debt.