The two official languages of Northern Europe are Swedish and English. Northern Europe consists of the following countries: Finland, Sweden, United Kingdom, Denmark, Estonia, Iceland, Ireland, Latvia, Lithuania and Norway. Although they have different spoken languages such as Danish, English, Dutch, German and Swedish, the only two official languages which can be found on the given options are Swedish and English.
Out of all the countries in Northern Europe, 86% of Sweden and 70% of Finland uses the Swedish language while 99% of Ireland, the United Kingdom and Iceland use the English language. Denmark uses Danish as its language, but 86% of the population knows how to speak English, Estonia uses Estonian, but 50% knows how to speak English, Latvia uses Latvian, but 46% knows how to speak English, Lithuania uses Lithuanian, but 38% knows how to speak English and Norway uses Norwegian as their language.