Abstract: The object of this research is the history of the Swedish populist parties during the second half of the 20th – beginning of the 21st centuries. The article examines the question of the origin of modern Swedish political populism, its place and role in the history of Sweden in the studied period. The author places the main focus of the issue of the genesis of the "Swedish Democrats" party as the leading populist political force in Sweden during the country's whole modern history, as well as the evolution of its ideology from the point of view of the influence it had on the popularity of the party. In the article the author uses the narrative (descriptive-narrative), as well as historical-genetic methods. Additionally, while conducting the research the author relies on the theory of "reputational shields" of E. Ivarsflaten. The author comes to the conclusion that in the history of Sweden populist parties for a long time did not play a noticeable role, because they positioned themselves as radical and outside-of-the-system political forces. The scientific novelty of the article lies in its revelation of a direct correlation between the rise in popularity of populist parties in Sweden and having at their disposal "reputational shields". Thus, the author proves that with Mikael Jansson at the head of the "Swedish Democrats" party, the consecutive course in the management of this party was an image and ideological modernization, begun in 1995-1996, which laid the foundation for the establishment of the party's "reputational shield" that became in the future one of the determining factors in the rise in popularity of this political force.

Abstract: This article examines the question about the role and place of the Populist Parties in the political history of Finland in the late XX – early XXI centuries.  The attention is focused on the Rural Party of Finland and the “True Finns” party, analyzing the history of their emergence, establishment, and development. The author also explores such issues as cooperation of the Populist Parties with the traditional political establishment, as well as factors that positively and negatively affected the electoral popularity of the populists. The conclusion is made that although in the Finnish political system the Populist Parties played a significant role throughout the long period of time, in the medium-term perspective Finland can become a country, in which these powers will be located on the sidelines of political life. The author’s contribution into the development of this topic is the conclusion that remaining in the executive authorities negatively reflects on the level of electoral popularity of the Populist Party.

Abstract: The subject of this research is the modern experience of a number of Western European countries on integration of populist parties into the national political systems. The article thoroughly examines the experience of the states, in which populist parties have comprised a part of their ruling coalitions during the XXI century (Austria, Netherlands in 2002, Norway and Finland) or cooperated with the executive power, while formally remaining outside (Denmark, Netherlands 2010-2012), as well as those where the populist parties are subjected to obstruction from the political establishment (Sweden). The author come to the conclusion that success of the integration of populist party into the political system is only possible if the interest is shown from both parties involved into the process - populists and the establishment. The author's contribution into this topic was also conclusion that presence of the populist party in the executive power negatively reflects on its electoral popularity.