1. The one party system of government does not allow opposition party and this denies the society the advantage of the impacts which opposition parties usually make for effective legislation.
2. The one party system is usually employed as an instrument of oppression and political victimisation of critics of government.
3. One party system is well known for the absence of basic human rights.
4. Experiences has also shown that one party states are not more stable than the multi-party ones.
5. The structure of one party system is pyramidal and hierarchical and therefore, highly elitist in terms of organisation, recruitment, political participation and decision-making.