Income earner refers to an individual who through work, investments or a combination of both derives income, which has a fixed and very fixed value of his/her income (sometimes, called Vulkary Workers). The vast majority of income

Income

Income is the consumption and savings opportunity gained by an entity within a specified time frame, which is generally expressed in monetary terms. However, for households and individuals, "income is the sum of all the wages, salaries, profits, interests payments, rents and other forms of earnings...

 earners derive most of their income from occupational acitivites.
In many western countries

Western world

The Western world, also known as the West and the Occident , is a term referring to the countries of Western Europe , the countries of the Americas, as well all countries of Northern and Central Europe, Australia and New Zealand...

, such as the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, the majority of women have entered the labor force and become income earners; as a result, it has also become common for many households to have more than one income

Income in the United States

Income in the United States is measured by the United States Department of Commerce either by household or individual. The differences between household and personal income is considerable since 42% of households, the majority of those in the top two quintiles with incomes exceeding $57,658, now...

 earner. In the US for example, 42% of all households and 75% of those in the top 20% with incomes

Household income in the United States

Household income is a measure commonly used by the United States government and private institutions, that counts the income of all residents over the age of 18 in each household, including not only all wages and salaries, but such items as unemployment insurance, disability payments, child support...

exceeding $91,200, had two income earners.