For example if your father have citizenship of America you might take 4 years to get the American citizenship. For more details, visit the following American Visa Website.
Assuming that you already are a permanent resident in U.S. And have established residency in the United States for the required amount of time, the actual US citizenship application process can take between six months to year, or even more. To begin the citizenship process, you will need to file USCIS form N-400. Processing of this form can take a little as six months or more than a year. Any mistakes on your form can delay the process considerably, so it is important to fill out the application for citizenship (N-400) as accurately and as fully as possible.
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