There is no official religion in Sweden since 1999
Protestant
the official name of Sweden is the kingdom of Sweden
I would say protestantism since that was the state religion of Sweden.
A lot of Swedes are atheist, but the prevailing religion in Sweden is Lutheran Protestantism.
Theres no official religion in Tanzania. The government do not have religion, the citizen do have.
There is no 'official' religion in the USA
Islam is the official religion in Afghanistan.
The Lutheran religion is the largest religion practiced in Sweden. It is practiced under the name, The Church of Sweden. This is also the largest Lutheran following in the world.
Swedish is the only official language of Sweden. (Not to be confused with Switzerland, where the 4 official languages are German, Italian, Romansh, and French.)
The majority religion in Sweden is Lutheran Protestant. Education in Sweden and in Scandinavia generally is liberal, democratic and free of charge, up to and including college.
nothing
Christianity