While gross domestic product provides an accurate picture of the size of a nation’s economy, gross national income, or GNI, is a more precise measure of the financial well-being of a country's citizens.
from USATODAY – News Top Stories http://rssfeeds.usatoday.com/~/553637518/0/usatoday-newstopstories~Which-countries-are-the-richest-A-look-at-the-Top-based-on-average-income/
Werner Teal 