The green card is something that the whole world is crazy about. It is the United States permanent residency card. It give you US Citizenship and you can become a proud citizen of the United States of America with a green card. To get hold of one, you can follow different methods.

The green card is called green card after a document called "I-151" which was used in the post-World War II years for the immigrants. Although the card is somewhat yellow but the name green card is still being used.

One have to go a 3-step process to apply for a green card.

Step 1 - Approval of petition: The application for a green card is accepted by the USCIS. There are various criteria for authorization depending on the country of the applicant. Apart from some rare circumstances, the applicant must have a relative or an employer to qualify for the applicant.

Step 2 - Immigrant Visa Number: For the process to continue the immigrants visa number must be available. The number of immigrant’s visas are limited every year and that’s a problem and they are distributed between all the countries so some countries have a larger number available for them. This can take very long. The exception is that you have an immediate relative like your parents living there.

Step 3 - Adjustment of Status: The immigrant has to go to his embassy to adjust his citizen status and become a permanent after the visa number is available.

There are various methods of application.

So in the end, becoming a US citizen is not very easy. But if you have the skill you can obtain an immigrant visa.