Lutheran or Catholicism
Lutheran Christian, or Protestant Christian
Lutheran Christianity.
Protestant Lutheranism - a branch of Christianity.
He was a Lutheran.
Procentage of Catholic, Lutheran & Orthodox believers is very close: Catholic - 35% Lutheran - 30% Russian Orthodox - 20%
Lutheran Lutheran
Main religion is Swedan is Christanity, but there is a high level of Atheism that is growing.
Lutheranism is the predominant religion in countries such as Sweden, Norway, Finland, Denmark, and Iceland in Northern Europe. It also has a significant presence in Germany and other parts of Europe. In addition, Lutheran churches can be found in other countries around the world due to historical missions and migrations.
Lutheran
Christianity, specifically the Evangelical Lutheran Church of Norway, is the main religion in Norway. It is also known for its high percentage of atheists and agnostics among the population.
This needs more information on the countries and their main religion, then I can give you a valid answer.