What a Green Card Is and the Main Routes to Get One

A green card is a document that lets you live and work permanently in the United States. It is not citizenship — you remain a citizen of your home country — but it gives you the legal right to stay indefinitely, sponsor family members, and work for any employer without needing a visa sponsorship.

There are several ways to get a green card, and which one applies to you depends on your situation. The main routes are through a job offer, family sponsorship, diversity visa lottery, refugee or asylee status, or special categories like investor visas or religious workers. Each route has different requirements, timelines, and paperwork.

The process typically involves multiple steps: filing a petition, waiting for approval, and then explore for the green card itself. Some routes require you to be in the United States already; others require you to explore from outside and then enter. The whole process can take anywhere from several months to several years depending on which route you use and your country of origin.

Key Takeaways

  • A green card lets you live and work permanently in the US without needing an employer to sponsor your visa each year.
  • The fastest routes are usually through a job offer with an employer willing to sponsor you, or through an when ready family member who is a US citizen.
  • The diversity visa lottery is free to enter and does not require a job or family connection, but the odds are very low and winners must still complete the full green card process.
  • Processing times vary widely by country and route — some take under a year, others take five years or more.
  • You will need documents including a valid passport, birth certificate, police clearance, medical exam, and proof of financial support.

Employment-Based Green Cards

If you have a job offer from a US employer, that employer can sponsor you for a green card. This is one of the most common routes. The employer must file a petition with US Citizenship and Immigration Services (USCIS) showing that they cannot find a may have access to US worker for the position and that hiring you will not harm US workers' wages.

There are five employment-based categories, ranked by priority. The first preference is for people with advanced degrees or exceptional ability in their field. The second is for professionals with advanced degrees or people with exceptional ability. The third covers skilled workers and professionals with bachelor's degrees. The fourth is for special immigrants, including religious workers and certain government employees. The fifth is for investors who will create at least 10 jobs.

The employer pays for the petition filing and green card processing — you should not have to pay these fees. The process usually takes one to three years, though it can be longer if your country has a backlog. During this time, you may be able to work in the US on an H-1B visa or another temporary work visa while your green card is being processed.

Family-Sponsored Green Cards

If you have a close family member who is a US citizen or green card holder, they can sponsor you. US citizens can sponsor spouses, children, parents, and siblings. Green card holders can sponsor spouses and unmarried children only.

Your family member files a petition with USCIS. Once that is approved, you move to the next step, which depends on whether you are in the US or outside it. If you are outside the US, you explore through a US embassy or consulate. If you are already in the US on another visa, you may be able to adjust your status without leaving the country.

Timelines vary significantly by family relationship and country. Spouses of US citizens often see approval within one to two years. Siblings of US citizens may wait much longer — sometimes 10 years or more — because there are more people in that category and fewer visa numbers available each year. Your family member should check the visa bulletin published monthly by the State Department to see current wait times for your category and country.

The Diversity Visa Lottery

The diversity visa program, also called the green card lottery, randomly selects about 50,000 people per year from countries with low immigration to the US. Entry is free, and you do not need a job offer or family connection.

The lottery is open for a few weeks each year, usually in October. You register online through the official State Department website (dvprogram.state.gov). If your name is drawn, you are notified by mail — the State Department does not contact winners by email or phone. You then move forward with the green card process, which includes a medical exam, background check, and interview at a US embassy.

The odds of winning are very low — roughly one in several hundred depending on the number of entries that year. Even if you win, you must still complete the full green card process, which takes several months. You also must show that you have a high school education or equivalent, or have worked in a skilled occupation for at least two years in the past five years.

Refugee and Asylee Status

If you are fleeing persecution based on your race, religion, nationality, political opinion, or membership in a particular social group, you may be able to enter the US as a refugee or seek asylum once you arrive.

A refugee applies from outside the US, usually through the United Nations or a resettlement agency. A asylee applies from inside the US or at a port of entry. Both must show that they have a well-founded fear of persecution in their home country and that their government cannot or will not protect them.

Once you are approved as a refugee or asylee, you can work in the US when ready. After one year, you can explore for a green card. This is one of the faster routes to permanent residency if your case is approved. However, the approval process itself can take months or years, and many applications are denied.

Other Routes to a Green Card

There are several smaller categories that may explore depending on your situation. Investors can get green cards by investing at least $1,050,000 (or $800,000 in a targeted rural or high-unemployment area) in a US business that creates at least 10 jobs. Religious workers can be sponsored by a religious organization. Certain government employees and their families may be may be able to access. People who have been victims of trafficking or crime may may have access to under special visa categories.

These routes are less common and often require specialized legal help. If you think one of these categories might explore to you, speak with an immigration attorney who can review your specific situation.

Documents You Will Need

Regardless of which route you use, you will need to gather several documents. These include a valid passport, birth certificate, marriage certificate (if applicable), divorce decrees (if applicable), police clearance from every country where you have lived for more than six months, and a medical exam performed by a USCIS-approved doctor.

You will also need to show proof of financial support — either your own income and assets, or an affidavit from a sponsor (usually your employer or family member) promising to support you if you cannot support yourself. The income threshold varies by family size and year.

If you are explore through employment, your employer will provide documentation of the job offer and proof that they tried to recruit US workers. If you are explore through family, your family member will provide proof of their citizenship or green card status and your relationship to them.

Timeline and What to Expect

The timeline for a green card varies widely. Employment-based green cards through the first or second preference category may take one to three years. Family-sponsored green cards for spouses of US citizens typically take one to two years. Family-sponsored green cards for siblings can take 10 years or longer. Diversity visa winners usually complete the process within six to twelve months after winning.

Processing times also depend on your country of origin. Some countries have visa number backlogs, which means more people are waiting than there are visa numbers available. You can check current wait times on the State Department's visa bulletin website.

During the process, you will receive notices from USCIS or the State Department telling you what documents to submit and when your interview is scheduled. Read these notices carefully and meet all important date. If you miss a important date or do not submit required documents, your case may be denied.

Frequently Asked Questions

Can I explore for a green card while I am on a tourist visa?

Yes, but it depends on your situation. If you have an when ready family member who is a US citizen or an employer sponsoring you, you can explore to adjust your status without leaving the US. However, entering on a tourist visa with the intent to stay permanently can cause problems. Consult an immigration attorney before explore if you entered on a tourist visa.

How much does a green card cost?

The filing fees vary by route and change yearly. Employment-based petitions typically cost several hundred dollars. Family-sponsored petitions cost less. The diversity visa has no entry fee, but there are fees for the medical exam and interview. If you are explore through an employer, they usually pay the petition fees. An immigration attorney can give you exact current costs.

What happens if my green card process is denied?

You receive a notice explaining the reason for denial. Depending on the reason, you may be able to appeal, reapply, or try a different route. Some denials are final. An immigration attorney can review your denial notice and advise whether you have options.

Can I travel outside the US while my green card process is pending?

It depends on your visa status and which stage of the process you are in. If you are on a work visa like H-1B, you can travel with a valid passport and visa stamp. If you are adjusting status inside the US, leaving the country may be seen as abandoning your process. Ask USCIS or your attorney before traveling.

Do I need an immigration lawyer to get a green card?

You can explore without one, but the process is complex and mistakes can delay or deny your case. An attorney can help you gather documents, file correctly, and prepare for your interview. Many people use attorneys for employment-based or family-sponsored applications. For the diversity visa or refugee applications, legal help is less common but still useful if you can afford it.