Classification of Income Everyone in this world needs money for livelihood. And, there are many ways in which we can earn money. Here are some of the options available to us to earn money. Active Income Vs Passive Income If we look at the options to earn money available to us, we can notice that how we earn money can indeed make a difference to our lifestyle. Let us take the case of Interest Income from investment and Salary Income from job. The difference is that Interest Income will be credited to our bank account even if we sleep all day. But Salary Income will not be credited, if we do not go to office. Certain types of Income require us to work hard on a regular basis while certain income types will be received whether we work regularly or not.