Wage Income It is the compensation of employees contribution in the production process. Wages and salaries are the reward paid to workers. It is immaterial whether wages are paid in cash or kind. In other words, wage income consists of wages paid in both cash and kind. It should be earned by the normal residents of the country during the current year. Wage income is paid by government, firms and other institutions. Information regarding wage income as available through reports published by industrial units, government and other research and statistical organization. Various surveys conducted by the private and government bodies also furnish information regarding wage income. Government budgets also provide information regarding wage income. It is not easy to collect information regarding wage income. Practically, we collect information separately for different sectors, i.e., industrial, trade, transport, services, agricultural and government. It is quite impossible to collect information regarding every worker in the economy. While estimating compensation of employees in particular industry, we pick up certain workers on random basis, note their wage income and multiply it by the total number of workers in the industry. The same method is applied in estimating income from other industries and sectors also. Wages is kind are also paid to agricultural workers and certain industrial workers. Restaurant workers are also paid wages in kind. The value of wages in kind is implied at their cost or at the price, they are available. Supplementary labour income in the form of provident fund, pension, gratuity etc. are the form of wage income. Non-wage Income It includes income received in the form of rent, interest profit, dividend, undist ...