Taxation is the part of public finance that deals with the means by which the government raises revenue from the public by imposing taxes which revenue is used by the government to provide goods and services to the public or its citizens (to carry out government functions). Taxation may be referred to as the revenue raising activity of the government. Public Finance is the department of economic theory that deals with public expenditure and revenue. Economics deals with resource allocation and seeks to answer the three questions of: who to produce, how to produce and for whom to produce. We will start by exploring the government expenditure, which is characterized by the expected activities of a government. We will then look at the taxation as source of revenue to finance the government expenditure