the total net earnings from the production of goods and services in a country over a period of time, usually one year, and consisting essentially of wages, salaries, rent, profits, and interest.
Origin of national income
First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
economics the total of all incomes accruing over a specified period to residents of a country and consisting of wages, salaries, profits, rent, and interest
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012