What do you need to immigrate to northern Europe?

Nordic countries are not immigrant countries. If you want to acquire the citizenship of the Nordic countries, you generally need to work (pay taxes) in the local area for about 3 to 4 years and apply for permanent residency, and then stay in the local area for a period of time to further apply for citizenship.

legal ground

Law of People's Republic of China (PRC) Municipality on Exit and Entry of Citizens

Article 5 A citizen of China who leaves the country for personal reasons may apply to the public security organ of the city or county where the registered permanent residence is located, except in the circumstances specified in Article 8 of this Law.

(1) Defendants and criminal suspects in criminal cases identified by public security organs or people's procuratorates and people's courts;

(two) the people's court informed that there are unresolved civil cases that cannot leave the country;

(3) Being sentenced to a penalty and serving a sentence;

(4) Being reeducated through labor;

(five) the relevant competent authorities of the State Council believe that leaving the country will endanger national security or cause great losses to national interests.