Many European countries have strict immigration laws. However, it appears that becoming a citizen in Austria has one of the longest processes.
Anyone who is not a citizen of a European country, and has been living for more than six months, must have a residence permit before entering Austria.
It is difficult to obtain permanent residency in Germany unless you are a citizen of another European country.
To become a citizen, applicants must have lived in the country at least eight years (the number is seven if applicants have passed a competency test) and renounce citizenship in any other country.
It takes longer to be granted a permanent resident visa in Japan than to become a citizen.
Those who want to become a citizen of Japan must have lived in the country for five years, receive permission from the Justice Minister, and complete a large amount of paperwork.
To obtain a settlement–or a permanent residence visa, unless you are an EU citizen–you must have lived in the country for five or 10 years.
If you qualify for permanent residence by the length of time you have lived in the country, you also qualify to apply for citizenship.
United States was founded mostly by immigrants, the process for achieving permanent residency and citizenship has become increasingly more complicated since the early 2000s
Those who have had permanent residency status for five years can begin the process of applying for citizenship by filling out the application and taking a test