Federalism is an important and broadly implemented feature in today's international community of polities. Around 70% of the world states are believed to have at least some element of federalism, and around 20 of the world's nations are considered to be federal states, and 40% of the world's population lives in these countries. The purpose of this thesis is therefore to investigate federalism. To see what reasons that is behind federalism and if federalism itself have any effects on issues such as democracy and participation. First of all it is important to understand what federalism is, and as mentioned above countries can have different degrees of federalism; however, two very important aspects are division of power and self rule. Divisio...