The conference stated: “The informal sector can be broadly characterized as consisting of units engaged in the production of goods or services with the primary objective of generating employment and income for people interested. These units typically operate at a low level of organization, with little or no division between labor and capital as factors of production, and on a small scale. Most work activities in this sector are mainly based on casual work, kinship or personal and social relationships rather than on contractual agreements with formal guarantees. could be used to estimate the size of the informal economy. Oduh et al (2008) stated that these methods can be summarized into three approaches, which are microeconomic, macroeconomic and the use of econometric models.i. Microeconomic is an approach that uses sample surveys based on voluntary responses or fiscal audits and other compliance methods. The reliability of the surveys depends on a series of factors ranging from the sample design methodology to the tools used to carry out the survey. The disadvantages of this approach are related to normality