It is difficult to rank the world nationality.

World nationality is difficult to rank:

1, UAE: The UAE has no immigration policy, so it is difficult to obtain nationality. If you want to acquire UAE citizenship, you can only marry the local people and stay married for more than three years.

2. North Korea: North Korea has always been in a closed state and refused to immigrate, so it is basically impossible to obtain the nationality of their country. It is still feasible to travel to North Korea.

3. China: Due to harsh naturalization conditions, China is also on the list. To obtain China nationality, he must be born in China, one of his parents also has China nationality, and he must have lived in China for 20 years.

4.Olea: Olea has very strict conditions. To obtain their nationality, they must live in the country continuously 15 to 30 years, which is a very long process.

5. Switzerland: If you want to acquire Swiss nationality, you must live in Switzerland for more than 65,438+00 years after signing the contract, otherwise it will not meet the requirements, but Switzerland can accept dual nationality.

6. Germany: Germany not only requires immigrants to live for more than five years, but also requires immigrants to have certain skills to prove that they can survive well in this country and have their own special abilities in a certain respect.

7. Japan: It is not only difficult for Japan to be naturalized, but also more difficult to obtain a permanent residence permit. You must live in China for more than ten years to get it. However, if you want to become a Japanese citizen, you need to live for more than five years, and then after a long and cumbersome procedure, it usually takes about one year.

8. Britain: Britain is also a developed country with a developed economic level, so it also attracts immigrants to join. Immigrants who want to become British citizens must first obtain the right of abode and then live in the country for more than five years before they have the opportunity to acquire the nationality of that country.

9. The United States: Although the United States is the largest immigrant country in the world, it has tightened its immigration policy because the number of immigrants is too large, which has affected the stability of the country. If you want to obtain American citizenship, you must first obtain the right of abode and then live in the United States for more than five years before you are eligible to apply.

10, Singapore: Singapore needs to obtain permanent resident status before naturalization, which is difficult to obtain and has to go through many complicated procedures. Finally, if you get resident status, you can live for two years in five years, but you can't violate the rules for five years.