Why is many parts of the periphery Europe sparsely populated?

Many parts of the periphery of Europe are sparsely populated due to a combination of factors, including:

Geographic constraints: Many peripheral regions in Europe are characterized by rugged terrain, such as mountains or dense forests, which can make them less accessible and less suitable for human settlement. For example, the Scandinavian countries have a low population density due to their harsh climate and mountainous terrain.

Climate: The climate in many peripheral regions can be harsh, with long winters and low temperatures, making them less attractive to people. For example, Northern Scandinavia and Northern Russia have low population densities due to their cold climate and long winters.

Lack of economic opportunities: Many peripheral regions in Europe have historically been less economically developed, with fewer job opportunities and lower incomes. This can make them less attractive to people, who may prefer to move to more prosperous areas. For example, Eastern Europe and the Balkans have lower population densities due to their weaker economies and higher levels of unemployment.

Historical reasons: Some peripheral regions in Europe have experienced historical events that have led to population decline. For example, the former Yugoslavia experienced a significant population loss during the Yugoslav Wars in the 1990s, and many people fled the region.

Rural-to-urban migration: Many peripheral regions in Europe have experienced rural-to-urban migration, with people moving from rural areas to larger cities in search of better job opportunities and amenities. This can lead to a decline in the population of peripheral regions.