Getting a Marriage-Based Green Card is one of the most popular paths to becoming a permanent resident of the United States. If you’re married to a U.S. citizen or green card holder, you're likely eligible—but the process can be confusing at first. This complete 2025 guide will walk you through every step of applying for a Marriage-Based Green Card, including what forms to file, what documents to include, how much it costs, and how to avoid delays.

The Alien Number, also known as the A-Number or “alien registration number,” is a unique nine-digit identification number assigned to immigrants in the United States by the U.S. Citizenship and Immigration Services (USCIS). Think of it as your personal ID within the U.S. immigration system. It functions similarly to a social security number or tax ID, but within the immigration context.

When applying for a marriage-based green card through Adjustment of Status (AOS), USCIS requires proof that the petitioner spouse (a U.S. citizen or permanent resident) has sufficient and stable income to financially support the immigrant spouse. The primary financial document is Form I-864, Affidavit of Support, but one of the most effective supporting documents to strengthen your case is an Employment Verification Letter. This letter helps USCIS confirm the sponsor’s curre

Form I-485 is one of the most important immigration forms in the United States.If you are applying for a marriage-based green card through Adjustment of Status (AOS), this application determines whether you will become a permanent resident without leaving the country. USCIS reviews this form carefully, and even small mistakes can lead to delays, RFEs, or denials. In this guide, I will break down everything you need to know about how to file Form I-485, how the process works