The correct option is
A 10
The current population of Northern Europe is 105,304,990 as of Sunday, June 23, 2019, based on the latest United Nations estimates.
Northern Europe population is equivalent to 1.37% of the total world population.
Northern Europe ranks number 4 in Europe among subregions ranked by Population.
The population density in Northern Europe is 62 per Km2 (160 people per mi^2).
The total land area is 1,702,418 Km2 (657,307 sq. miles)
80.7 % of the population is urban (85,031,879 people in 2019).
The median age in Northern Europe is 40.5 years.
Population of Northern Europe (2019 and historical)