If you are working in the United States on a work visa or planning to, these two terms come up constantly — H1B visa and green card. Many people use them interchangeably. In reality, they are fundamentally different things that serve different purposes, come with different rights, and follow completely different processes. This article breaks down exactly what each one is, how they differ from each other, how one leads to the other, and which one actually matters for your situation right now.

This is not legal advice. Please consult a licensed immigration attorney for guidance specific to your case.

The Core Difference in One Sentence

An H1B visa is temporary permission to work in the United States for a specific employer. A green card is permanent authorization to live and work in the United States for any employer, without restriction, indefinitely.

That single distinction — temporary versus permanent, employer-specific versus unrestricted — explains nearly every other difference between the two. Everything else flows from there.

What Is an H1B Visa?

The H1B is a nonimmigrant work visa. Nonimmigrant means it is temporary by design. It does not confer permanent residence and it does not lead to citizenship on its own. Rather, it gives you the legal right to live and work in the United States in a specialty occupation — typically one requiring at least a bachelor’s degree in a specific field.

Key Characteristics of the H1B

Employer-specific: Your H1B is tied to the employer who filed it. You can only work for that employer in the specific role approved in your petition. Changing jobs requires your new employer to file a transfer petition on your behalf.
Time-limited: Initial H1B status is granted in three-year increments, with a standard maximum of six years total. Beyond six years, you can only stay in H1B status if you are actively pursuing a green card and meet specific AC21 extension criteria.
Lottery-dependent for new applicants: Most H1B petitions are subject to an annual cap of 85,000 visas. Getting in requires being selected in a lottery that runs every March. The selection rate in recent years has been approximately 35%.
Renewable but not permanent: Your employer can renew your H1B status, but each renewal requires a new petition, a new Labor Condition Application, and continuing USCIS approval. Nothing about H1B status is permanent.
Dual intent allowed: Unlike many temporary visas, the H1B specifically allows dual intent. This means you can hold an H1B and simultaneously pursue a green card without it being considered a violation of your nonimmigrant status. This is a critical feature that distinguishes it from visas like the F-1 student visa or B-2 visitor visa.

What Is a Green Card?

A green card, formally known as a Permanent Resident Card, grants you lawful permanent residence in the United States. Unlike the H1B, it is not tied to any employer, not limited to any specific job, and not subject to renewal in the same way a work visa is.

Key Characteristics of a Green Card

Employer-independent: Once you have a green card, you can work for any employer in the country in virtually any role. You can change jobs, switch industries, start a business, freelance, or take time off without any immigration consequences.
No annual cap on rights: Your status as a permanent resident does not depend on lottery results, employer approval, or USCIS processing timelines after it is granted. It is yours to keep as long as you maintain it.
Path to citizenship: A green card is the direct predecessor to US citizenship. After holding permanent resident status for five years — or three years if married to a US citizen — you can apply for naturalization.
Physical card renewal required: The green card itself expires every ten years and must be renewed. However, the underlying permanent resident status does not expire. Renewal is administrative, not a re-adjudication of your eligibility.
Conditional for two years in some cases: If your green card was based on a marriage of less than two years at the time of approval, you receive a conditional green card valid for two years. You then need to file to remove the conditions. Employment-based green cards are not subject to this condition.

Side by Side: The Key Differences

Here is a direct comparison of the most important practical differences between H1B status and a green card:

Duration: H1B lasts up to 6 years without a green card in progress. A green card is permanent.
Employer restriction: H1B is tied to one specific employer. A green card has no employer restriction.
Job flexibility: On H1B, changing jobs requires a new petition. On a green card, you change jobs freely.
Travel: H1B holders need a valid visa stamp to re-enter the US after international travel. Green card holders re-enter with the card itself, no visa stamp required.
Dependents working: H4 spouses can only work if eligible for an H4 EAD, which requires a specific condition. Spouses of green card holders can apply for work authorization relatively straightforwardly.
Social Security benefits: Both H1B holders and green card holders pay into Social Security. However, permanent residents have better long-term access to benefits because they can remain in the US indefinitely.
Starting a business: H1B holders cannot simply start their own business and work for it without complex legal arrangements. Green card holders can start and work for their own businesses freely.
Path to citizenship: H1B status alone does not lead to citizenship. A green card is the required step before naturalization.

How the H1B Leads to a Green Card

For the vast majority of H1B workers, the goal is not to stay on H1B indefinitely. Rather, the H1B is the bridge that allows you to live and work in the US while your employer simultaneously sponsors you for permanent residence. Understanding this pipeline is essential for long-term career and immigration planning.

Step 1: PERM Labor Certification

The employment-based green card process for most H1B workers begins with PERM — the Program Electronic Review Management system administered by the Department of Labor. Through PERM, your employer demonstrates to the DOL that there are no qualified US workers available for your position. This involves a formal recruitment process, specific advertising requirements, and a review of all US worker applications for the role. PERM processing currently takes between 6 and 18 months in 2025, including prevailing wage determination, recruitment, and DOL adjudication. Audits can extend this timeline further.

Step 2: Form I-140 Immigrant Petition

Once PERM is certified, your employer files Form I-140 with USCIS. This petition establishes your eligibility for a green card under an employment-based preference category — typically EB-2 for advanced degree professionals or EB-3 for skilled workers. Standard I-140 processing takes 6 to 12 months. Premium processing, available for most I-140 categories, guarantees a decision within 15 business days for an additional fee of $2,805 as of 2025. Filing I-140 is a critical milestone because after it has been approved for 180 days, your priority date becomes portable — meaning you can change employers without losing your place in the green card queue under AC21 rules.

Step 3: Priority Date and the Visa Bulletin

Your priority date is the date your PERM was filed — or in cases where PERM is not required, the date your I-140 was filed. This date determines your place in the visa queue. Each month, the State Department publishes the Visa Bulletin showing which priority dates are current for each country and preference category. When your priority date becomes current, you can move to the final step.

For workers born in most countries, priority dates become current within one to three years. For workers born in India or China, however, the wait is dramatically different. As of 2025, the EB-2 India final action date is in early 2013. An EB-3 India applicant filing today may not see their priority date become current until the 2040s or beyond. The system operates on per-country caps that create this disparity regardless of individual qualifications or employer need.

Step 4: Adjustment of Status or Consular Processing

Once your priority date is current, you either file Form I-485 for adjustment of status if you are already in the US, or go through consular processing at a US embassy abroad. I-485 processing currently takes between 9 and 18 months depending on your USCIS field office. High-volume offices like New York City, Los Angeles, and Chicago often run 18 to 36 months. Upon approval, you receive your green card and become a lawful permanent resident.

Green Card Categories: Not All Paths Require an H1B

While the H1B to green card pipeline is the most common route for skilled workers, it is worth understanding that several green card categories exist that do not follow this path:

EB-1A Extraordinary Ability: For individuals with extraordinary ability in science, arts, education, business, or athletics. No employer sponsorship required. No PERM required. You self-petition. If you qualify, this is the fastest employment-based path to a green card.
EB-1B Outstanding Researcher or Professor: For researchers and professors with international recognition in their field. Employer sponsorship required but no PERM required. Faster than EB-2 and EB-3 for qualifying academics.
EB-2 NIW National Interest Waiver: For individuals whose work is in the national interest of the United States. No PERM required. You can self-petition. Common for researchers, scientists, and professionals whose work benefits US national interests broadly.
Family-based green cards: US citizens and permanent residents can sponsor certain family members. Spouses of US citizens have no annual cap and often wait 12 to 24 months. Other family categories have their own queues and wait times.
EB-5 Investor visa: For individuals investing a minimum of $1,050,000 in a new commercial enterprise — or $800,000 in a targeted employment area — that creates at least 10 full-time jobs for US workers.

The H1B Extension Beyond Six Years: The AC21 Bridge

One of the most practically important intersections between H1B status and the green card process is the AC21 extension. Normally, H1B status cannot exceed six years. However, if you are in the green card process, you can extend your H1B indefinitely beyond the six-year cap in one-year or three-year increments, depending on which AC21 provision applies to your situation.

Specifically, one-year extensions are available when your PERM or I-140 has been pending for 365 days or more. Three-year extensions are available when your I-140 is approved but no visa number is available for you because your priority date is not yet current. For Indian and Chinese nationals facing decade-long backlogs, this provision is the only thing keeping them in valid status while they wait for a visa number to become available.

Which One Do You Actually Need Right Now?

The answer depends entirely on where you are in your immigration journey. Here is a practical framework:

You need an H1B if you are currently outside the US and want to work here, or you are on F-1 OPT and want to stay long-term with an employer who will sponsor you. The H1B is your entry point into the US employment-based system.
You need to start your green card process if you already have H1B status and your employer is willing to sponsor permanent residence. The earlier you start, the earlier your priority date, and the sooner you reach the front of the queue. For India-born workers especially, starting PERM on your first day of H1B employment is not an overreaction — it is a rational strategy given the backlog lengths involved.
You need a green card if you want to change jobs freely, start your own business, travel without visa stamp concerns, sponsor family members, or eventually apply for citizenship. None of these things are possible on H1B status alone.

Frequently Asked Questions

Can I apply for a green card while on H1B status?

Yes. The H1B specifically allows dual intent, meaning you can simultaneously hold H1B status and pursue permanent residence without any conflict. In fact, most H1B holders begin their green card process while still in H1B status.

How long does it take to get a green card from H1B?

It depends heavily on your country of birth and the green card category. For workers born outside India and China, the total process typically takes two to five years including PERM, I-140, and adjustment of status. For workers born in India pursuing EB-2 or EB-3, the current wait from filing to final approval can exceed 15 to 20 years due to per-country visa backlogs.

What happens to my green card process if I change jobs?

Once your I-140 has been approved for 180 days, your priority date is portable under AC21. You can change employers without losing your place in the green card queue, as long as the new job is in the same or a similar occupational classification. If your I-140 has been approved for less than 180 days and your employer withdraws it when you resign, the process restarts with your new employer from PERM.

Do I need an H1B to get a green card?

No. Several green card categories — EB-1A extraordinary ability, EB-2 NIW, and family-based categories — do not require H1B status as a prerequisite. However, for most skilled workers entering through the employment-based system, the H1B is the practical first step because it allows you to live and work in the US while the longer green card process plays out.

Can my spouse work on a green card?

Yes. Once you receive your green card, your spouse can apply for their own green card as a derivative beneficiary. Once approved, they have full and unrestricted work authorization just as you do. This is significantly more flexible than the H4 EAD arrangement, which has eligibility restrictions tied to your specific H1B and green card progress.

What is the difference between EB-2 and EB-3?

EB-2 is for professionals with advanced degrees — a master’s degree or higher, or a bachelor’s degree with at least five years of progressive experience. EB-3 is broader, covering skilled workers with at least two years of experience, professionals with bachelor’s degrees, and unskilled workers. EB-2 generally has shorter wait times than EB-3, though this can shift based on monthly Visa Bulletin movements. Some applicants file under both categories simultaneously to preserve flexibility.

Final Thoughts

The H1B and the green card are not competing options — they are sequential stages of the same journey for most skilled workers in the United States. Understanding exactly what each one provides and what it does not is the foundation of good long-term immigration planning.

Start your green card process as early as your employer will allow. Know your priority date and monitor the Visa Bulletin every month. Understand what AC21 portability means for your ability to change jobs during the wait. And if you are born in India or China, get professional immigration counsel specifically experienced with the employment-based backlog from the beginning — the strategic decisions you make in the first two years of H1B status can affect your wait time by years.

Disclaimer: This article is for general informational purposes only and does not constitute legal advice. Immigration laws and USCIS policies change frequently. Please consult a licensed immigration attorney for advice specific to your situation.