The primary economic systems, compared by who owns and plans production and how much wealth is redistributed:

	Economic planning & ownership	Welfare & redistribution
Capitalism	mostly private	minimal
Socialism	mixed private and state	moderate
Communism	state	full redistribution

Communism tends toward totalitarianism because:

Some of the common systems in place today:

Country group	Economy	Government
Western democracies	capitalist with socialist welfare	democracy
Middle Eastern states	capitalist with socialist planning	authoritarian (holdover from colonial powers exploiting oil wealth)
Post-Soviet states	capitalist with socialist planning	authoritarian (holdover from communism)
China, Vietnam	socialist with capitalist markets
Cuba	socialist
North Korea	socialist	totalitarian (holdover from communism)